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Concept
Heptagram
Summary
A heptagram, septagram, septegram or septogram is a seven-point star drawn with seven straight strokes.
The name heptagram combines a numeral prefix, hepta-, with the Greek suffix -gram. The -gram suffix derives from γραμμῆ (grammē) meaning a line.
In general, a heptagram is any self-intersecting heptagon (7-sided polygon).
There are two regular heptagrams, labeled as {7/2} and {7/3}, with the second number representing the vertex interval step from a regular heptagon, {7/1}.
This is the smallest star polygon that can be drawn in two forms, as irreducible fractions. The two heptagrams are sometimes called the heptagram (for {7/2}) and the great heptagram (for {7/3}).
The previous one, the regular hexagram {6/2}, is a compound of two triangles. The smallest star polygon is the {5/2} pentagram.
The next one is the {8/3} octagram and its related {8/2} star figure (a compound of two squares), followed by the regular enneagram, which also has two forms: {9/2} and {9/4}, as well as one compound of three triangles {9/3}.
File:Coat of arms of Georgia (1918–1921; 1990–2004).svg|Former Georgian coat of arms, 1918–1921, 1991–2004
File:Eastern Band Cherokee Flag.svg|Flag of [[Eastern Band Cherokee]]
File:Flag of Occitania (with star).svg|The seven-pointed star of the [[Félibrige|Felibritge]] on the [[Occitania|Occitan]] flag.
File:Flag of Jordan.svg|The Jordanian flag, bearing the star that symbolizes [[Al-Fatiha]]
File:Flag of Hokkaido Prefecture.svg|Symbol of [[Hokkaido]]
File:Emblem of Samarkand.svg|Coat of arms of [[Samarkand]]
File:Commonwealth_Star.svg|Commonwealth Star as the crest of [[Coat of Arms of Australia]]
The seven-pointed star is incorporated into the flags of various bands of Cherokee Indians and the badges of Navajo Nation Police (as well as other police).
The Bennington flag, a historical American Flag, has thirteen seven-pointed stars along with the numerals "76" in the canton.
The Flag of Jordan contains a seven-pointed star.
The Flag of Australia employs five heptagrams and one pentagram to depict the Southern Cross constellation and the Commonwealth Star.
Official source
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