Acronym cotcope Name cuboctatruncated-cuboctahedron prism,cubitruncated-cuboctahedron prism Cross sections ` ©` Circumradius sqrt(2) = 1.414214 Colonel of regiment (is itself locally convex – no other uniform polyhedral members) Dihedral angles at {4} between hip and stop:   arccos[-1/sqrt(3)] = 125.264390° at {6} between cotco and hip:   90° at {8/3} between cotco and stop:   90° at {8} between cotco and op:   90° at {4} between stop and op:   90° at {4} between hip and op:   arccos[1/sqrt(3)] = 54.735610° Externallinks

As abstract polytope cotcope is automorph, thereby interchanging the roles of octagons and octagrams, resp. those of op and stop.

Incidence matrix according to Dynkin symbol

```x x4/3x3x4*b

. .   . .    | 96 |  1  1  1  1 |  1  1  1  1  1  1 | 1 1 1 1
-------------+----+-------------+-------------------+--------
x .   . .    |  2 | 48  *  *  * |  1  1  1  0  0  0 | 1 1 1 0
. x   . .    |  2 |  * 48  *  * |  1  0  0  1  1  0 | 1 1 0 1
. .   x .    |  2 |  *  * 48  * |  0  1  0  1  0  1 | 1 0 1 1
. .   . x    |  2 |  *  *  * 48 |  0  0  1  0  1  1 | 0 1 1 1
-------------+----+-------------+-------------------+--------
x x   . .    |  4 |  2  2  0  0 | 24  *  *  *  *  * | 1 1 0 0
x .   x .    |  4 |  2  0  2  0 |  * 24  *  *  *  * | 1 0 1 0
x .   . x    |  4 |  2  0  0  2 |  *  * 24  *  *  * | 0 1 1 0
. x4/3x .    |  8 |  0  4  4  0 |  *  *  * 12  *  * | 1 0 0 1
. x   . x4*b |  8 |  0  4  0  4 |  *  *  *  * 12  * | 0 1 0 1
. .   x3x    |  6 |  0  0  3  3 |  *  *  *  *  * 16 | 0 0 1 1
-------------+----+-------------+-------------------+--------
x x4/3x .    ♦ 16 |  8  8  8  0 |  4  4  0  2  0  0 | 6 * * *
x x   . x4*b ♦ 16 |  8  8  0  8 |  4  0  4  0  2  0 | * 6 * *
x .   x3x    ♦ 12 |  6  0  6  6 |  0  3  3  0  0  2 | * * 8 *
. x4/3x3x4*b ♦ 48 |  0 24 24 24 |  0  0  0  6  6  8 | * * * 2
```