2 21 polytope
id:
2-21-polytope-277-8264113
title:
2 21 polytope
text:
In 6-dimensional geometry, the 221 polytope is a uniform 6-polytope, constructed within the symmetry of the E6 group. It was discovered by Thorold Gosset, published in his 1900 paper. He called it an 6-ic semi-regular figure. It is also called the Schläfli polytope. Its Coxeter symbol is 221, describing its bifurcating Coxeter-Dynkin diagram, with a single ring on the end of one of the 2-node sequences. He also studied its connection with the 27 lines on the cubic surface, which are naturally in
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wiki
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encyclopedia
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original url:
https://en.wikipedia.org/wiki/2_21_polytope
date created:
date modified:
2024-02-16T22:44:41Z
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image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/8/8e/Up_2_21_t0_E6.svg","width":2000,"height":2000}
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13
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