Hexagonal-enneagonal duotegum
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| Hexagonal-enneagonal duotegum | |
|---|---|
| Rank | 4 |
| Type | Uniform dual |
| Notation | |
| Coxeter diagram | m6o2m9o |
| Elements | |
| Cells | 54 digonal disphenoids |
| Faces | 54+54 isosceles triangles |
| Edges | 6+9+54 |
| Vertices | 6+9 |
| Vertex figure | 9 hexagonal tegums, 6 enneagonal tegums |
| Measures (edge length 1) | |
| Central density | 1 |
| Related polytopes | |
| Dual | Hexagonal-enneagonal duoprism |
| Conjugates | Hexagonal-enneagrammic duotegum, Hexagonal-great enneagrammic duotegum |
| Abstract & topological properties | |
| Euler characteristic | 0 |
| Orientable | Yes |
| Properties | |
| Symmetry | G2×I2(9), order 216 |
| Convex | Yes |
| Nature | Tame |
The hexagonal-enneagonal duotegum, also known as the 6-9 duotegum, is a duotegum that consists of 54 digonal disphenoids and 15 vertices.