Joined enneagonal duotegum
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| Joined enneagonal duotegum | |
|---|---|
| Rank | 4 |
| Type | Isotopic |
| Elements | |
| Cells | 162 notches |
| Faces | 162+324 isosceles triangles |
| Edges | 18+81+324 |
| Vertices | 18+81 |
| Vertex figure | 81 tetragonal disphenoids, 18 joined enneagonal prisms |
| Measures (edge length 1) | |
| Central density | 1 |
| Related polytopes | |
| Dual | Rectified enneagonal duoprism |
| Abstract & topological properties | |
| Euler characteristic | 0 |
| Orientable | Yes |
| Properties | |
| Symmetry | I2(9)≀S2, order 648 |
| Convex | Yes |
| Nature | Tame |
The joined enneagonal duotegum is a convex isochoric polychoron and member of the family of joined duotegums with 162 notches as cells.
Each cell of this polychoron has rectangular pyramidal symmetry, with 6 isosceles triangles for faces.