Acronym	coqroc
Name	tetracontoctiquasirhombated tetracontoctachoron
Cross sections	©
Circumradius	sqrt[6-3 sqrt(2)] = 1.325654
Colonel of regiment	(is itself locally convex – uniform polychoral members: by cells: cotco quitco coqroc 48 48 )
Dihedral angles	at {6} between cotco and quitco:   120° at {4} between quitco and quitco:   90° at {8} between cotco and cotco:   45° at {8/3} between cotco and quitco:   45°
Face vector	1152, 2304, 1104, 96
Confer	general polytopal classes: Wythoffian polychora
External links

As abstract polytope coqroc is isomorphic to croc, thereby interchanging octagons and octagrams, resp. replacing the quitco by girco.

Incidence matrix according to Dynkin symbol

x3x4/3x3x4/3*a4*c

. .   . .         | 1152 |   1   1   1   1 |   1   1   1   1   1   1 |  1  1  1  1
------------------+------+-----------------+-------------------------+------------
x .   . .         |    2 | 576   *   *   * |   1   1   1   0   0   0 |  1  1  1  0
. x   . .         |    2 |   * 576   *   * |   1   0   0   1   1   0 |  1  1  0  1
. .   x .         |    2 |   *   * 576   * |   0   1   0   1   0   1 |  1  0  1  1
. .   . x         |    2 |   *   *   * 576 |   0   0   1   0   1   1 |  0  1  1  1
------------------+------+-----------------+-------------------------+------------
x3x   . .         |    6 |   3   3   0   0 | 192   *   *   *   *   * |  1  1  0  0
x .   x .   *a4*c |    8 |   4   0   4   0 |   * 144   *   *   *   * |  1  0  1  0
x .   . x4/3*a    |    8 |   4   0   0   4 |   *   * 144   *   *   * |  0  1  1  0
. x4/3x .         |    8 |   0   4   4   0 |   *   *   * 144   *   * |  1  0  0  1
. x   . x         |    4 |   0   2   0   2 |   *   *   *   * 288   * |  0  1  0  1
. .   x3x         |    6 |   0   0   3   3 |   *   *   *   *   * 192 |  0  0  1  1
------------------+------+-----------------+-------------------------+------------
x3x4/3x .   *a4*c ♦   48 |  24  24  24   0 |   8   6   0   6   0   0 | 24  *  *  *
x3x   . x4/3*a    ♦   48 |  24  24   0  24 |   8   0   6   0  12   0 |  * 24  *  *
x .   x3x4/3*a4*c ♦   48 |  24   0  24  24 |   0   6   6   0   0   8 |  *  * 24  *
. x4/3x3x         ♦   48 |   0  24  24  24 |   0   0   0   6  12   8 |  *  *  * 24

or
. .   . .            | 1152 |    2    2 |   2   1   2   1 |  2  2
---------------------+------+-----------+-----------------+------
x .   . .          & |    2 | 1152    * |   1   1   1   0 |  2  1
. x   . .          & |    2 |    * 1152 |   1   0   1   1 |  1  2
---------------------+------+-----------+-----------------+------
x3x   . .          & |    6 |    3    3 | 384   *   *   * |  1  1
x .   x .   *a4*c    |    8 |    8    0 |   * 144   *   * |  2  0
x .   . x4/3*a     & |    8 |    4    4 |   *   * 288   * |  1  1
. x   . x            |    4 |    0    4 |   *   *   * 288 |  0  2
---------------------+------+-----------+-----------------+------
x3x4/3x .   *a4*c  & ♦   48 |   48   24 |   8   6   6   0 | 48  *
x3x   . x4/3*a     & ♦   48 |   24   48 |   8   0   6  12 |  * 48