bn:01195264n
Noun Concept
Categories: 7-polytopes
EN
3 21 polytope  Birectified 3 21 polytope  E7 polytope  Gosset 3 21 polytope  Hess polytope
EN
In 7-dimensional geometry, the 321 polytope is a uniform 7-polytope, constructed within the symmetry of the E7 group. Wikipedia
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EN
In 7-dimensional geometry, the 321 polytope is a uniform 7-polytope, constructed within the symmetry of the E7 group. Wikipedia
Uniform 7-polytope Wikidata