Square-enneagonal duotegum
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| Square-enneagonal duotegum | |
|---|---|
| Rank | 4 |
| Type | Uniform dual |
| Space | Spherical |
| Notation | |
| Coxeter diagram | m4o2m9o |
| Elements | |
| Cells | 36 digonal disphenoids |
| Faces | 36+36 isosceles triangles |
| Edges | 4+9+36 |
| Vertices | 4+9 |
| Vertex figure | 9 octahedra, 4 enneagonal tegums |
| Measures (edge length 1) | |
| Central density | 1 |
| Related polytopes | |
| Dual | Square-enneagonal duoprism |
| Conjugates | Square-enneagrammic duotegum, square-great enneagrammic duotegum |
| Abstract & topological properties | |
| Euler characteristic | 0 |
| Orientable | Yes |
| Properties | |
| Symmetry | B2×I2(9), order 144 |
| Convex | Yes |
| Nature | Tame |
The square-enneagonal duotegum, also known as the 4-9 duotegum, is a duotegum that consists of 36 digonal disphenoids and 13 vertices.
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