f5 = 7, f4 = 21, C = 35, F = 35, E = 21, V = 7
(χ=0)

**Coxeter group**
A6, , order 5040

Bowers name
and (acronym) Heptapeton
(hop)

**Vertex figure**

Vertex figure
**5-simplex**

5-simplex

Circumradius
0.645497

Properties
convex , isogonal self-dual

In geometry , a
**6-simplex**

6-simplex is a self-dual regular
**6-polytope** . It has
7 vertices , 21 edges , 35 triangle faces , 35 tetrahedral cells , 21
**5-cell**