Heptagonal duoexpandotegum
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| Heptagonal duoexpandotegum | |
|---|---|
| Rank | 4 |
| Type | Isotopic |
| Elements | |
| Cells | 196 mirror-symmetric triangular antitegums |
| Faces | 196 irregular tetragons, 98+98+196 kites |
| Edges | 28+98+98+196+196 |
| Vertices | 14+14+49+49+98 |
| Vertex figure | 49 tetragonal disphenoids, 98 notches, 49 digonal scalenohedra, 14+14 heptagonal tegums |
| Measures (edge length 1) | |
| Central density | 1 |
| Related polytopes | |
| Dual | Heptagonal duoexpandoprism |
| Abstract & topological properties | |
| Euler characteristic | 0 |
| Orientable | Yes |
| Properties | |
| Symmetry | I2(7)≀S2, order 392 |
| Convex | Yes |
| Nature | Tame |
The heptagonal duoexpandotegum is a convex isochoric polychoron and member of the duoexpandoprism family with 196 mirror-symmetric triangular antitegums as cells.
Each cell of this polychoron has mirror symmetry, with 4 kites and 2 irregular tetragons for faces.