Heptagonal duotegmatic tegum
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| Heptagonal duotegmatic tegum | |
|---|---|
| Rank | 5 |
| Type | Uniform dual |
| Notation | |
| Coxeter diagram | m2m7o2m7o |
| Elements | |
| Tera | 98 tetragonal disphenoidal pyramids |
| Cells | 49 tetragonal disphenoids, 196 sphenoids |
| Faces | 28+98+98 isosceles triangles |
| Edges | 14+28+49 |
| Vertices | 2+14 |
| Vertex figure | 2 heptagonal duotegums, 14 square-heptagonal duotegums |
| Measures (edge length 1) | |
| Central density | 1 |
| Related polytopes | |
| Dual | Heptagonal duoprismatic prism |
| Abstract & topological properties | |
| Euler characteristic | 2 |
| Orientable | Yes |
| Properties | |
| Symmetry | I2(7)≀S2×A1, order 784 |
| Convex | Yes |
| Nature | Tame |
The heptagonal duotegmatic tegum is an isoteric duotegum that consists of 98 tetragonal disphenoidal pyramids and 16 vertices.