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