Acronym chope
Name cubohemioctahedron prism
Cross sections
 ©
Circumradius sqrt(5)/2 = 1.118034
Coordinates (1/sqrt(2), 1/sqrt(2), 0, 1/2)   & all permutations in all but last coord., all changes of sign
General of army cope
Colonel of regiment cope
Dihedral angles
  • at {4} between cho and cube:   90°
  • at {6} between cho and hip:   90°
  • at {4} between cube and hip:   arccos(1/sqrt(3)) = 54.735610°
External
links
hedrondude

Incidence matrix

cho || cho   → height = 1

12  * |  4  1  0 | 2 2  4 0 0 | 1 2 2 0
 * 12 |  0  1  4 | 0 0  4 2 2 | 0 2 2 1
------+----------+------------+--------
 2  0 | 24  *  * | 1 1  1 0 0 | 1 1 1 0
 1  1 |  * 12  * | 0 0  4 0 0 | 0 2 2 0
 0  2 |  *  * 24 | 0 0  1 1 1 | 0 1 1 1
------+----------+------------+--------
 4  0 |  4  0  0 | 6 *  * * * | 1 1 0 0
 6  0 |  6  0  0 | * 4  * * * | 1 0 1 0
 2  2 |  1  2  1 | * * 24 * * | 0 1 1 0
 0  4 |  0  0  4 | * *  * 6 * | 0 1 0 1
 0  6 |  0  0  6 | * *  * * 4 | 0 0 1 1
------+----------+------------+--------
12  0 | 24  0  0 | 6 4  0 0 0 | 1 * * *  cho
 4  4 |  4  4  4 | 1 0  4 1 0 | * 6 * *  cube
 6  6 |  6  6  6 | 0 1  6 0 1 | * * 4 *  hip
 0 12 |  0  0 24 | 0 0  0 6 4 | * * * 1  cho

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