3 21 Polytope - Birectified 321 Polytope

Birectified 321 Polytope

Birectified 321 polytope
Type Uniform 7-polytope
Schläfli symbol t1{3,3,3,32,1}
Coxeter symbol t1(321)
Coxeter-Dynkin diagram
6-faces 758
5-faces 12348
4-faces 68040
Cells 161280
Faces 161280
Edges 60480
Vertices 4032
Vertex figure 5-cell-triangle duoprism
Petrie polygon octadecagon
Coxeter group E7, order 2903040
Properties convex

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