Acronym	ditdi
Name	disicositetratruncated disicositetrachoron
Circumradius	sqrt[4+sqrt(2)] = 2.326846
Colonel of regiment	(is itself locally convex – uniform polychoral members: by cells: cotco girco gocco querco tic toe ditdi 24 0 24 0 24 24 guti 0 24 0 24 24 24 & others)
Face vector	576, 1440, 816, 96
Confer	general polytopal classes: Wythoffian polychora
External links

As abstract polytope ditdi is isomorphic to diquitdi, thereby interchanging octagrams and octagons, and thus replacing gocco by socco and tic by quith.

Incidence matrix according to Dynkin symbol

x3o4x3x4*a4/3*c

. . . .         | 576 |   2   2   1 |   1   2   2   1   2 |  1  1  2  1
----------------+-----+-------------+---------------------+------------
x . . .         |   2 | 576   *   * |   1   1   1   0   0 |  1  1  1  0
. . x .         |   2 |   * 576   * |   0   1   0   1   1 |  1  0  1  1
. . . x         |   2 |   *   * 288 |   0   0   2   0   2 |  0  1  2  1
----------------+-----+-------------+---------------------+------------
x3o . .         |   3 |   3   0   0 | 192   *   *   *   * |  1  1  0  0
x . x . *a4/3*c |   8 |   4   4   0 |   * 144   *   *   * |  1  0  1  0
x . . x4*a      |   8 |   4   0   4 |   *   * 144   *   * |  0  1  1  0
. o4x .         |   4 |   0   4   0 |   *   *   * 144   * |  1  0  0  1
. . x3x         |   6 |   0   3   3 |   *   *   *   * 192 |  0  0  1  1
----------------+-----+-------------+---------------------+------------
x3o4x . *a4/3*c ♦  24 |  24  24   0 |   8   6   0   6   0 | 24  *  *  *
x3o . x4*a      ♦  24 |  24   0  12 |   8   0   6   0   0 |  * 24  *  *
x . x3x4*a4/3*c ♦  48 |  24  24  24 |   0   6   6   0   8 |  *  * 24  *
. o4x3x         ♦  24 |   0  24  12 |   0   0   0   6   8 |  *  *  * 24

x3/2o4/3x3x4*a4/3*c

.   .   . .         | 576 |   2   2   1 |   1   2   2   1   2 |  1  1  2  1
--------------------+-----+-------------+---------------------+------------
x   .   . .         |   2 | 576   *   * |   1   1   1   0   0 |  1  1  1  0
.   .   x .         |   2 |   * 576   * |   0   1   0   1   1 |  1  0  1  1
.   .   . x         |   2 |   *   * 288 |   0   0   2   0   2 |  0  1  2  1
--------------------+-----+-------------+---------------------+------------
x3/2o   . .         |   3 |   3   0   0 | 192   *   *   *   * |  1  1  0  0
x   .   x . *a4/3*c |   8 |   4   4   0 |   * 144   *   *   * |  1  0  1  0
x   .   . x4*a      |   8 |   4   0   4 |   *   * 144   *   * |  0  1  1  0
.   o4/3x .         |   4 |   0   4   0 |   *   *   * 144   * |  1  0  0  1
.   .   x3x         |   6 |   0   3   3 |   *   *   *   * 192 |  0  0  1  1
--------------------+-----+-------------+---------------------+------------
x3/2o4/3x . *a4/3*c ♦  24 |  24  24   0 |   8   6   0   6   0 | 24  *  *  *
x3/2o   . x4*a      ♦  24 |  24   0  12 |   8   0   6   0   0 |  * 24  *  *
x   .   x3x4*a4/3*c ♦  48 |  24  24  24 |   0   6   6   0   8 |  *  * 24  *
.   o4/3x3x         ♦  24 |   0  24  12 |   0   0   0   6   8 |  *  *  * 24