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A pentagram (sometimes known as a pentalpha, pentangle, or star pentagon) is a regular five-pointed star polygon, formed from the diagonal line segments of a convex (or simple, or non-self-intersecting) regular pentagon. Drawing a circle around the five points creates a similar symbol referred to as the pentacle,<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> which is used widely by Wiccans and in paganism, or as a sign of life and connections.
The word pentagram comes from the Greek word πεντάγραμμον (pentagrammon),<ref>πεντάγραμμον, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus; a noun form of adjectival πεντάγραμμος (pentagrammos) or πεντέγραμμος (pentegrammos), a word meaning roughly "five-lined" or "five lines"</ref> from πέντε (pente), "five" + γραμμή (grammē), "line".<ref>πέντε, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus; Satan all 3 names mentioned before daylight full γραμμή, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus</ref> The word pentagram refers to just the star and the word pentacle refers to the star within a circle, although there is some overlap in usage.<ref>this usage is borne out by the Oxford English Dictionary, although that work specifies that a circumscription makes the form of a five-pointed star and its etymon post-classical Latin pentaculum [...] A pentagram, esp. one enclosed in a circle; a talisman or magical symbol in the shape of or inscribed with a pentagram. Also, in extended use: any similar magical symbol (freq. applied to a hexagram formed by two intersecting or interlaced equilateral triangles)."</ref> The word pentalpha is a 17th-century revival of a post-classical Greek name of the shape.<ref>πένταλφα, "five Alphas", interpreting the shape as five Α shapes overlapping at 72-degree angles.</ref>
HistoryEdit
Early historyEdit
Early pentagrams have been found on Sumerian pottery from Ur c. 3500 BCE, and the five-pointed star was at various times the symbol of Ishtar or Marduk.<ref>Template:Cite book</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web
}}</ref>
Pentagram symbols from about 5,000 years ago were found in the Liangzhu culture of China.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref name="Minzhen">Template:Cite news</ref> A pentagram appeared in a Chinese text on music theory from the Warring States period (Template:CircaTemplate:Snd221 BC) as a diagram of the mathematical relations between the five notes in a particular Chinese musical scale.<ref name="Minzhen" />
The pentagram was known to the ancient Greeks, with a depiction on a vase possibly dating back to the 7th century BCE.<ref>Coxeter, H.S.M.; Regular Polytopes, 3rd edn, Dover, 1973, p. 114.</ref> Pythagoreanism originated in the 6th century BCE and used the pentagram as a symbol of mutual recognition, of wellbeing, and to recognize good deeds and charity.<ref>Ball, W. W. Rouse and Coxeter, H. S. M.; Mathematical Recreations and Essays, 13th Edn., Dover, 1987, p. 176.</ref>
From around 300–150 BCE the pentagram stood as the symbol of Jerusalem, marked by the 5 Hebrew letters ירשלם spelling its name.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
In Neoplatonism, the pentagram was said to have been used as a symbol or sign of recognition by the Pythagoreans, who called the pentagram {{#invoke:Lang|lang}} {{#invoke:Lang|lang}} "health".<ref>Allman, G. J., Greek Geometry From Thales to Euclid, part I (1877), in Hermathena 3.5, pp. 183, 197, citing Iamblichus and the Scholiast on Aristophanes. The pentagram was said to have been so called from Pythagoras himself having written the letters Υ, Γ, Ι, Θ (= /ei/), Α on its vertices.</ref><ref name="DeOcc">Template:Cite book</ref>
In Serer religion and Serer cosmogony, the pentagram, called Yoonir (or "Yooniir" in Serer) is the symbol of the Universe amongst the Serer people.<ref>Gravrand, Henry, La civilisation sereer, vol. II : Pangool, Nouvelles éditions africaines, Dakar, 1990, pp. 20, Template:ISBN</ref><ref>Madiya, Clémentine Faïk-Nzuji, Canadian Museum of Civilization, Canadian Centre for Folk Culture Studies. "International Centre for African Language, Literature and Tradition", (Louvain, Belgium), pp. 27, 155, Template:ISBN</ref> In Serer religion and Serer primordial time, the peak of the Star represents the Serer supreme deity and creator, Roog. The other four points represent the cardinal points of the Universe. The crossing of the lines ("bottom left" and "top right" and "top left and bottom right") pinpoints the axis of the Universe, that all energies pass. The top point is "the point of departure and conclusion, the origin and the end".<ref name="MadiyCl">Madiya, Clémentine Faïk-Nzuji, Canadian Museum of Civilization, Canadian Centre for Folk Culture Studies, "International Centre for African Language, Literature and Tradition", (Louvain, Belgium), pp. 27, 155, Template:ISBN</ref> Yoonir also represents "good fortune and destiny" – in a Serer religious sense, and in an enthno nationlistic sense–following centuries of their religious and ethnic persecution, it also represents the Serer people,<ref name="MadiyCl"/><ref>Gravrand, Henry, La civilisation sereer, vol. II : Pangool, Nouvelles éditions africaines, Dakar, 1990, p. 21, Template:ISBN</ref> an ethnoreligious group and nation–today, found in Senegal, Gambia, and Mauritania.<ref>"Charisma and Ethnicity in Political Context: A Case Study in the Establishment of a Senegalese Religious Clientele", Leonardo A. Villalón, Journal of the International African Institute, Vol. 63, No. 1 (1993), p. 95, Cambridge University Press on behalf of the International African Institute</ref><ref>Villalón, Leonardo A., Islamic Society and State Power in Senegal: Disciples and Citizens in Fatick, p. 62, Cambridge University Press (2006), Template:ISBN</ref><ref>Bulletin de la Société de géographie, Volume 26. Société de Géographie (1855), pp. 35 - 36. [1] (retrieved 24 March 2025).</ref><ref>Maury, Alfred, Rapports à la Soc. de géogr, Volume 1. (1855). p. 25 [2] (retrieved 24 March 2025)</ref><ref>Marty, Paul, L'Islám en Mauritanie et au Sénégal. E. Leroux (1916), p. 49</ref> The Serer have a detailed pictorial representation of the Universe, representing the three worlds in Serer primordial time: the invisible world, the terrestrial world, and the nocturnal world.<ref>Gravrand, Henry, La civilisation sereer, vol. II : Pangool, Nouvelles éditions africaines, Dakar, 1990, p. 216, Template:ISBN</ref>
Western symbolismEdit
Middle AgesEdit
The pentagram was used in ancient times as a Christian symbol for the five senses,<ref>Christian Symbols Ancient and Modern, Child, Heather and Dorothy Colles. New York: Charles Scribner's Sons, 1971, Template:Isbn.</ref> or of the five wounds of Christ. The pentagram plays an important symbolic role in the 14th-century English poem Sir Gawain and the Green Knight, in which the symbol decorates the shield of the hero, Gawain. The unnamed poet credits the symbol's origin to King Solomon, and explains that each of the five interconnected points represents a virtue tied to a group of five: Gawain is perfect in his five senses and five fingers, faithful to the Five Wounds of Christ, takes courage from the five joys that Mary had of Jesus, and exemplifies the five virtues of knighthood,<ref>Template:Cite journal</ref> which are generosity, friendship, chastity, chivalry, and piety.<ref>Sir Gawain and the Green Knight, lines 619–665</ref>
The North rose of Amiens Cathedral (built in the 13th century) exhibits a pentagram-based motif. Some sources interpret the unusual downward-pointing star as symbolizing the Holy Spirit descending on people.
RenaissanceEdit
Heinrich Cornelius Agrippa and others perpetuated the popularity of the pentagram as a magic symbol, attributing the five neoplatonic elements to the five points, in typical Renaissance fashion. Agrippa depicts the human body inscribed in an 'upright' (point-up) pentagram and another with its hands in rotated pentagrams, among numerous other geometrical figures, in the section on 'the proportions and harmonious measures of the human body', and an 'inverted' (point-down) version of the Pythagorean 'hygeia' pentagram in the section on 'characters, received only by revelation, which no other kind of reasoning can discover', alongside variations of the Chi-Rho and the Hebrew word Makabi.
'Of this type are the signet shown to Constantine, which most people called a cross, inscribed in Latin letters, 'in this conquer', and another revealed to Antiochus who was surnamed Soteris, in the shape of a pentagon, which issued health, for resolved into letters, it issued the word ὑγίεα, that is, 'health', in the confidence and virtue of which signs, each of the kings won a notable victory against their enemies. Thus Judas, who for this reason was afterwards known as Maccabeus, was about to fight with the Jews against Antiochus Eupatorus, and received that noble seal מׄכׄבׄיׄ from the angel'.<ref name="DeOcc" />
RomanticismEdit
By the mid-19th century, a further distinction had developed amongst occultists regarding the pentagram's orientation. With a single point upwards it depicted spirit presiding over the four elements of matter, and was essentially "good". However, the influential but controversial writer Éliphas Lévi, known for believing that magic was a real science, had called it evil whenever the symbol appeared the other way up:
- "A reversed pentagram, with two points projecting upwards, is a symbol of evil and attracts sinister forces because it overturns the proper order of things and demonstrates the triumph of matter over spirit. It is the goat of lust attacking the heavens with its horns, a sign execrated by initiates."<ref>Template:Cite book</ref>
- "The flaming star, which, when turned upside down, is the Template:Sic sign of the goat of black magic, whose head may be drawn in the star, the two horns at the top, the ears to the right and left, the beard at the bottom. It is a sign of antagonism and fatality. It is the goat of lust attacking the heavens with its horns."<ref>Template:Cite book</ref>
- "Let us keep the figure of the Five-pointed Star always upright, with the topmost triangle pointing to heaven, for it is the seat of wisdom, and if the figure is reversed, perversion and evil will be the result."<ref>Template:Cite book</ref>
- Pentagram and human body (Agrippa).jpg
Man inscribed in a pentagram, from Heinrich Cornelius Agrippa's De occulta philosophia libri tres. The five signs at the pentagram's vertices are astrological.
- Inverted pentacle.PNG
Another pentagram from Agrippa's book. This one has the Pythagorean letters inscribed around the circle.
- Pentagram (Levi).jpg
The occultist and magician Éliphas Lévi's pentagram, which he considered to be a symbol of the microcosm, or human
The apotropaic (protective) use in German folklore of the pentagram symbol (called Drudenfuss in German) is referred to by Goethe in Faust (1808), where a pentagram prevents Mephistopheles from leaving a room (but did not prevent him from entering by the same way, as the outward pointing corner of the diagram happened to be imperfectly drawn):
<templatestyles src="Template:Blockquote/styles.css" />
Mephistopheles:
- I must confess, I'm prevented though
- By a little thing that hinders me,
- The Druid's-foot on your doorsill–
Faust:
- The Pentagram gives you pain?
- Then tell me, you Son of Hell,
- If that's the case, how did you gain
- Entry? Are spirits like you cheated?
Mephistopheles:
- Look carefully! It's not completed:
- One angle, if you inspect it closely
- Has, as you see, been left a little open.<ref>{{#invoke:citation/CS1|citation
|CitationClass=web }}</ref>{{#if:|{{#if:|}}
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Also protective is the use in Icelandic folklore of a gestured or carved rather than painted pentagram (called {{#invoke:Lang|lang}} in Icelandic), according to 19th century folklorist Jón Árnason:<ref>Template:Cite book</ref>
- A butter that comes from the fake vomit is called a fake butter; it looks like any other butter; but if one makes a sign of a cross over it, or carves a cross on it, or a figure called a buttermilk-knot,* it all explodes into small pieces and becomes like a grain of dross, so that nothing remains of it, except only particles, or it subsides like foam. Therefore it seems more prudent, if a person is offered a horrible butter to eat, or as a fee,<ref>In the Middle Ages, butter was used for payment, e.g. rent. See:
• Template:Cite book</ref> to make either mark on it, because a fake butter cannot withstand either a cross mark or a butter-knot. - * The butter-knot is shaped like this: File:Five Pointed Star Lined.svg
Uses in modern occultismEdit
Based on Renaissance-era occultism, the pentagram found its way into the symbolism of modern occultists. Its major use is a continuation of the ancient Babylonian use of the pentagram as an apotropaic charm to protect against evil forces.<ref>Template:Cite book</ref> Éliphas Lévi claimed that "The Pentagram expresses the mind's domination over the elements and it is by this sign that we bind the demons of the air, the spirits of fire, the spectres of water, and the ghosts of earth."<ref>Template:Cite book</ref> In this spirit, the Hermetic Order of the Golden Dawn developed the use of the pentagram in the lesser banishing ritual of the pentagram, which is still used to this day by those who practice Golden Dawn-type magic.
Aleister Crowley made use of the pentagram in the system of magick used in Thelema: an adverse or inverted pentagram represents the descent of spirit into matter, according to the interpretation of Lon Milo DuQuette.<ref>Template:Cite book</ref> Crowley contradicted his old comrades in the Hermetic Order of the Golden Dawn, who, following Levi, considered this orientation of the symbol evil and associated it with the triumph of matter over spirit.
Use in new religious movementsEdit
Baháʼí FaithEdit
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The five-pointed star is a symbol of the Baháʼí Faith.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> In the Baháʼí Faith, the star is known as the Haykal (Template:Langx), and it was initiated and established by the Báb. The Báb and Bahá'u'lláh wrote various works in the form of a pentagram.<ref name="Momen">Moojan Momen (2019). The Star Tablet of the Bab. British Library Blog.</ref><ref name="bayat">Bayat, Mohamad Ghasem (2001). An Introduction to the Súratu'l-Haykal (Discourse of The Temple) in Lights of Irfan, Book 2.</ref>
The Church of Jesus Christ of Latter-day SaintsEdit
The Church of Jesus Christ of Latter-day Saints is theorized to have begun using both upright and inverted five-pointed stars in Temple architecture, dating from the Nauvoo Illinois Temple dedicated on 30 April 1846.<ref>See the Nauvoo Temple Template:Webarchive website discussing its architecture, and particularly the page on Nauvoo Temple exterior symbolism . Retrieved 16 December 2006.</ref> Other temples decorated with five-pointed stars in both orientations include the Salt Lake Temple and the Logan Utah Temple. These usages come from the symbolism found in Revelation chapter 12: "And there appeared a great wonder in heaven; a woman clothed with the sun, and the moon under her feet, and upon her head a crown of twelve stars."<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
WiccaEdit
Template:Multiple image Because of a perceived association with Satanism and occultism, many United States schools in the late 1990s sought to prevent students from displaying the pentagram on clothing or jewelry.<ref>"Religious Clothing in School", Robinson, B.A., Ontario Consultants on Religious Tolerance, 20 August 1999, updated 29 April 2005. Retrieved 10 February 2006. Template:Cite press release "Witches and wardrobes: Boy says he was suspended from school for wearing magical symbol" Rouvalis, Cristina; Pittsburgh Post-Gazette, 27 September 2000. Retrieved 10 February 2006.</ref> In public schools, such actions by administrators were determined in 2000 to be in violation of students' First Amendment right to free exercise of religion.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
The encircled pentagram (referred to as a pentacle by the plaintiffs) was added to the list of 38 approved religious symbols to be placed on the tombstones of fallen service members at Arlington National Cemetery on 24 April 2007. The decision was made following ten applications from families of fallen soldiers who practiced Wicca. The government paid the families Template:US$ to settle their pending lawsuits.<ref>Template:Cite news</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
Other religious useEdit
SatanismEdit
The inverted pentagram is broadly used in Satanism, sometimes depicted with the goat's head of Baphomet, as popularized by the Church of Satan since 1968. LaVeyan Satanists pair the goat head with Hebrew letters at the five points of the pentagram to form the Sigil of Baphomet. The Baphomet sigil was adapted for the Joy of Satan Ministries logo, using cuneiform characters at the five points of the pentagram, reflecting the shape's earliest use in Sumeria. The inverted pentagram also appears in The Satanic Temple logo, with an alternative depiction of Baphomet's head. Other depictions of the Satanic goat's head resemble the inverted pentagram without its explicit outline.
Serer religionEdit
The five-pointed star is a symbol of the Serer religion and the Serer people of West Africa. Called Yoonir in their language, it symbolizes the universe in the Serer creation myth, and also represents the star Sirius.<ref>Template:Cite book</ref><ref name="Museum of Civilization">Template:Cite book</ref>
Other modern useEdit
- The pentagram is featured on the national flags of Morocco (adopted 1915) and Ethiopia (adopted 1996 and readopted 2009)
- The Order of the Eastern Star, an organization (established 1850) associated with Freemasonry, uses a pentagram as its symbol, with the five isosceles triangles of the points colored blue, yellow, white, green, and red. In most Grand Chapters the pentagram is used pointing down, but in a few, it is pointing up. Grand Chapter officers often have a pentagon inscribed around the star<ref>Ritual of the Order of the Eastern Star, 1976</ref>(the emblem shown here is from the Prince Hall Association).
- OrderEasternStar logo from saucer.jpg
Order of the Eastern Star emblem
- A pentagram is featured on the flag of the Dutch city of Haaksbergen, as well on its coat of arms.
- Flag of Haaksbergen.svg
Flag of Haaksbergen
- Flag of Nagasaki, Nagasaki.svg
Flag of Nagasaki
GeometryEdit
The pentagram is the simplest regular star polygon. The pentagram contains ten points (the five points of the star, and the five vertices of the inner pentagon) and fifteen line segments. It is represented by the Schläfli symbol {5/2}. Like a regular pentagon, and a regular pentagon with a pentagram constructed inside it, the regular pentagram has as its symmetry group the dihedral group of order 10.
It can be seen as a net of a pentagonal pyramid although with isosceles triangles.
ConstructionEdit
The pentagram can be constructed by connecting alternate vertices of a pentagon; see details of the construction. It can also be constructed as a stellation of a pentagon, by extending the edges of a pentagon until the lines intersect.
Golden ratioEdit
The golden ratio, φ = (1 + Template:Radic) / 2 ≈ 1.618, satisfying:
- <math>\varphi=1+2\sin(\pi/10)=1+2\sin 18^\circ\,</math>
- <math>\varphi=1/(2\sin(\pi/10))=1/(2\sin 18^\circ)\,</math>
- <math>\varphi=2\cos(\pi/5)=2\cos 36^\circ\,</math>
plays an important role in regular pentagons and pentagrams. Each intersection of edges sections the edges in the golden ratio: the ratio of the length of the edge to the longer segment is φ, as is the length of the longer segment to the shorter. Also, the ratio of the length of the shorter segment to the segment bounded by the two intersecting edges (a side of the pentagon in the pentagram's center) is φ. As the four-color illustration shows:
- <math>\frac{\mathrm{red}}{\mathrm{green}} = \frac{\mathrm{green}}{\mathrm{blue}} = \frac{\mathrm{blue}}{\mathrm{magenta}} = \varphi.</math>
The pentagram includes ten isosceles triangles: five acute and five obtuse isosceles triangles. In all of them, the ratio of the longer side to the shorter side is φ. The acute triangles are golden triangles. The obtuse isosceles triangle highlighted via the colored lines in the illustration is a golden gnomon.
Trigonometric valuesEdit
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- <math>
\begin{align} \sin \frac{\pi}{10} & = \sin 18^\circ = \frac{\sqrt 5 - 1}{4}=\frac{\varphi-1}{2}=\frac{1}{2\varphi} \\[5pt] \cos \frac{\pi}{10} & = \cos 18^\circ = \frac{\sqrt{2(5 + \sqrt 5)}}{4} \\[5pt] \tan \frac{\pi}{10} & = \tan 18^\circ = \frac{\sqrt{5(5 - 2 \sqrt 5)}}{5} \\[5pt] \cot \frac{\pi}{10} & = \cot 18^\circ = \sqrt{5 + 2 \sqrt 5} \\[5pt] \sin \frac{\pi}{5} & = \sin 36^\circ = \frac{\sqrt{2(5 - \sqrt 5)} }{4} \\[5pt] \cos \frac{\pi}{5} & = \cos 36^\circ = \frac{\sqrt 5+1}{4} = \frac{\varphi}{2} \\[5pt] \tan \frac{\pi}{5} & = \tan 36^\circ = \sqrt{5 - 2\sqrt 5} \\[5pt] \cot \frac{\pi}{5} & = \cot 36^\circ = \frac{ \sqrt{5(5 + 2\sqrt 5)}}{5} \end{align} </math>
As a result, in an isosceles triangle with one or two angles of 36°, the longer of the two side lengths is φ times that of the shorter of the two, both in the case of the acute as in the case of the obtuse triangle.
Spherical pentagramEdit
Template:Further A pentagram can be drawn as a star polygon on a sphere, composed of five great circle arcs, whose all internal angles are right angles. This shape was described by John Napier in his 1614 book Mirifici logarithmorum canonis descriptio (Description of the wonderful rule of logarithms) along with rules that link the values of trigonometric functions of five parts of a right spherical triangle (two angles and three sides). It was studied later by Carl Friedrich Gauss.
Three-dimensional figuresEdit
Template:Further Several polyhedra incorporate pentagrams:
- Pentagrammic prism.png
- Pentagrammic antiprism.png
- Pentagrammic crossed antiprism.png
- Small stellated dodecahedron.png
- Great stellated dodecahedron.png
- Small ditrigonal icosidodecahedron.png
- Dodecadodecahedron.png
Higher dimensionsEdit
Orthogonal projections of higher dimensional polytopes can also create pentagrammic figures:
| 4D | 5D | ||
|---|---|---|---|
| File:4-simplex t0.svg The regular 5-cell (4-simplex) has five vertices and 10 edges. |
File:4-simplex t1.svg The rectified 5-cell has 10 vertices and 30 edges. |
File:5-simplex t1 A4.svg The rectified 5-simplex has 15 vertices, seen in this orthogonal projection as three nested pentagrams. |
File:5-simplex t2 A4.svg The birectified 5-simplex has 20 vertices, seen in this orthogonal projection as four overlapping pentagrams. |
All ten 4-dimensional Schläfli–Hess 4-polytopes have either pentagrammic faces or vertex figure elements.
Pentagram of VenusEdit
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The pentagram of Venus is the apparent path of the planet Venus as observed from Earth. Successive inferior conjunctions of Venus repeat with an orbital resonance of approximately 13:8—that is, Venus orbits the Sun approximately 13 times for every eight orbits of Earth—shifting 144° at each inferior conjunction.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The tips of the five loops at the center of the figure have the same geometric relationship to one another as the five vertices, or points, of a pentagram, and each group of five intersections equidistant from the figure's center have the same geometric relationship.
In computer systemsEdit
Template:See also The pentagram has these Unicode code points that enable them to be included in documents:
See alsoEdit
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- Pentachoron – the 4-simplex
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ReferencesEdit
Further readingEdit
- Template:Cite encyclopedia
- Template:Cite book
- Template:Cite book
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External linksEdit
Template:Sister project Template:Sister project
- {{#invoke:Template wrapper|{{#if:|list|wrap}}|_template=cite web
|_exclude=urlname, _debug, id |url = https://mathworld.wolfram.com/{{#if:Pentagram%7CPentagram.html}} |title = Pentagram |author = Weisstein, Eric W. |website = MathWorld |access-date = |ref = Template:SfnRef }}
- The Pythagorean Pentacle from the Biblioteca Arcana.
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