Small 10-3 bigyrochoron
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| Small 10-3 bigyrochoron | |
|---|---|
 | |
| Rank | 4 |
| Type | Isotopic |
| Space | Spherical |
| Elements | |
| Cells | 20 18-vertex hendecahedra |
| Faces | 20 kites, 40 irregular tetragons, 20 mirror-symmetric pentagons, 20 mirror-symmetric hexagons, 10 square-symmetric octagons |
| Edges | 20+40+40+40+40 |
| Vertices | 10+20+20+40 |
| Vertex figure | 10 tetragonal disphenoids, 20+20 phyllic disphenoids, 40 irregular tetrahedra |
| Measures (edge length 1) | |
| Central density | 1 |
| Related polytopes | |
| Dual | Small 10-3 double step prism |
| Abstract & topological properties | |
| Euler characteristic | 0 |
| Orientable | Yes |
| Properties | |
| Symmetry | I2(10)+×4×I, order 40 |
| Convex | Yes |
| Nature | Tame |
The small 10-3 bigyrochoron, also known as the chunky 20, is a convex isochoric polychoron with 20 identical cells.
Each cell of this polychoron has digonal symmetry, with 1 octagon, 2 hexagons, 2 pentagons, and 6 tetragons for faces.
External links[edit | edit source]
- Bowers, Jonathan. "Four Dimensional Dice Up To Twenty Sides".