Heptagonal-triakis tetrahedral duotegum
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Heptagonal-triakis tetrahedral duotegum | |
---|---|
Rank | 5 |
Type | Isoteric |
Notation | |
Coxeter diagram | m7o2m3m3o |
Elements | |
Tera | 84 digonal disphenoidal pyramids |
Cells | 42 digonal disphenoids, 84+84 sphenoids |
Faces | 12+28+28+42 isosceles triangles, 84 scalene triangles |
Edges | 6+7+12+28+28 |
Vertices | 4+4+7 |
Vertex figure | 7 triakis tetrahedral tegums, 4 hexagonal-heptagonal duotegums, 4 triangular-heptagonal duotegums |
Measures (edge length 1) | |
Central density | 1 |
Related polytopes | |
Dual | Heptagonal-truncated tetrahedral duoprism |
Abstract & topological properties | |
Euler characteristic | 2 |
Orientable | Yes |
Properties | |
Symmetry | A3×I2(7), order 336 |
Convex | Yes |
Nature | Tame |
The heptagonal-triakis tetrahedral duotegum is an isoteric duotegum that consists of 84 digonal disphenoidal pyramids and 15 vertices.