Acronym setitdin
Name small tesseractitriacontidiadispenteract
Circumradius sqrt[15+6 sqrt(2)]/2 = 2.423081
Coordinates (1+2 sqrt(2), 1+sqrt(2), 1, 1, 1)/2   & all permutations, all changes of sign
Colonel of regiment cappin
Face vector 640, 2240, 2160, 760, 92
Confer
general polytopal classes:
Wythoffian polytera  
External
links
polytopewiki

As abstract polytope setitdin is isomorphic to getitdin, thereby replacing octagons by octagrams, resp. girco by quitco and socco by gocco, resp. steth by gittith and sichado by gichado. – As such setitdin is a lieutenant.


Incidence matrix according to Dynkin symbol

   3   3   3   
 x---x---o---o 
    4 \ / 4/3  
       x       
x3x3o3o *b4x4/3*c

. . . .    .      | 640 |   1   3   3 |   3   3   3   3   3 |   3  3   3   1  3  1 |  1  3  1  1
------------------+-----+-------------+---------------------+----------------------+------------
x . . .    .      |   2 | 320   *   * |   3   3   0   0   0 |   3  3   3   0  0  0 |  1  3  1  0
. x . .    .      |   2 |   * 960   * |   1   0   2   1   0 |   2  1   0   1  2  0 |  1  2  0  1
. . . .    x      |   2 |   *   * 960 |   0   1   0   1   2 |   0  1   2   0  2  1 |  0  2  1  1
------------------+-----+-------------+---------------------+----------------------+------------
x3x . .    .      |   6 |   3   3   0 | 320   *   *   *   * |   2  1   0   0  0  0 |  1  2  0  0
x . . .    x      |   4 |   2   0   2 |   * 480   *   *   * |   0  1   2   0  0  0 |  0  2  1  0
. x3o .    .      |   3 |   0   3   0 |   *   * 640   *   * |   1  0   0   1  1  0 |  1  1  0  1
. x . . *b4x      |   8 |   0   4   4 |   *   *   * 240   * |   0  1   0   0  2  0 |  0  2  0  1
. . o .    x4/3*c |   4 |   0   0   4 |   *   *   *   * 480 |   0  0   1   0  1  1 |  0  1  1  1
------------------+-----+-------------+---------------------+----------------------+------------
x3x3o .    .        12 |   6  12   0 |   4   0   4   0   0 | 160  *   *   *  *  * |  1  1  0  0
x3x . . *b4x        48 |  24  24  24 |   8  12   0   6   0 |   * 40   *   *  *  * |  0  2  0  0
x . o .    x4/3*c    8 |   4   0   8 |   0   4   0   0   2 |   *  * 240   *  *  * |  0  1  1  0
. x3o3o    .         4 |   0   6   0 |   0   0   4   0   0 |   *  *   * 160  *  * |  1  0  0  1
. x3o . *b4x4/3*c   24 |   0  24  24 |   0   0   8   6   6 |   *  *   *   * 80  * |  0  1  0  1
. . o3o    x4/3*c    8 |   0   0  12 |   0   0   0   0   6 |   *  *   *   *  * 80 |  0  0  1  1
------------------+-----+-------------+---------------------+----------------------+------------
x3x3o3o    .        20 |  10  30   0 |  10   0  20   0   0 |   5  0   0   5  0  0 | 32  *  *  *
x3x3o . *b4x4/3*c  192 |  96 192 192 |  64  96  64  48  48 |  16  8  24   0  8  0 |  * 10  *  *
x . o3o    x4/3*c   16 |   8   0  24 |   0  12   0   0  12 |   0  0   6   0  0  2 |  *  * 40  *
. x3o3o *b4x4/3*c   64 |   0  96  96 |   0   0  64  24  48 |   0   0  0  16  8  8 |  *  *  * 10

   3   3  3/2  
 x---x---o---o 
    4 \ / 4/3  
       x       
x3x3o3/2o *b4x4/3*c

. . .   .    .      | 640 |   1   3   3 |   3   3   3   3   3 |   3  3   3   1  3  1 |  1  3  1  1
--------------------+-----+-------------+---------------------+----------------------+------------
x . .   .    .      |   2 | 320   *   * |   3   3   0   0   0 |   3  3   3   0  0  0 |  1  3  1  0
. x .   .    .      |   2 |   * 960   * |   1   0   2   1   0 |   2  1   0   1  2  0 |  1  2  0  1
. . .   .    x      |   2 |   *   * 960 |   0   1   0   1   2 |   0  1   2   0  2  1 |  0  2  1  1
--------------------+-----+-------------+---------------------+----------------------+------------
x3x .   .    .      |   6 |   3   3   0 | 320   *   *   *   * |   2  1   0   0  0  0 |  1  2  0  0
x . .   .    x      |   4 |   2   0   2 |   * 480   *   *   * |   0  1   2   0  0  0 |  0  2  1  0
. x3o   .    .      |   3 |   0   3   0 |   *   * 640   *   * |   1  0   0   1  1  0 |  1  1  0  1
. x .   . *b4x      |   8 |   0   4   4 |   *   *   * 240   * |   0  1   0   0  2  0 |  0  2  0  1
. . o   .    x4/3*c |   4 |   0   0   4 |   *   *   *   * 480 |   0  0   1   0  1  1 |  0  1  1  1
--------------------+-----+-------------+---------------------+----------------------+------------
x3x3o   .    .        12 |   6  12   0 |   4   0   4   0   0 | 160  *   *   *  *  * |  1  1  0  0
x3x .   . *b4x        48 |  24  24  24 |   8  12   0   6   0 |   * 40   *   *  *  * |  0  2  0  0
x . o   .    x4/3*c    8 |   4   0   8 |   0   4   0   0   2 |   *  * 240   *  *  * |  0  1  1  0
. x3o3/2o    .         4 |   0   6   0 |   0   0   4   0   0 |   *  *   * 160  *  * |  1  0  0  1
. x3o   . *b4x4/3*c   24 |   0  24  24 |   0   0   8   6   6 |   *  *   *   * 80  * |  0  1  0  1
. . o3/2o    x4/3*c    8 |   0   0  12 |   0   0   0   0   6 |   *  *   *   *  * 80 |  0  0  1  1
--------------------+-----+-------------+---------------------+----------------------+------------
x3x3o3/2o    .        20 |  10  30   0 |  10   0  20   0   0 |   5  0   0   5  0  0 | 32  *  *  *
x3x3o   . *b4x4/3*c  192 |  96 192 192 |  64  96  64  48  48 |  16  8  24   0  8  0 |  * 10  *  *
x . o3/2o    x4/3*c   16 |   8   0  24 |   0  12   0   0  12 |   0  0   6   0  0  2 |  *  * 40  *
. x3o3/2o *b4x4/3*c   64 |   0  96  96 |   0   0  64  24  48 |   0   0  0  16  8  8 |  *  *  * 10

   3  3/2  3   
 x---x---o---o 
    4 \ / 4    
       x       
x3x3/2o3o *b4x4*c

. .   . .    .    | 640 |   1   3   3 |   3   3   3   3   3 |   3  3   3   1  3  1 |  1  3  1  1
------------------+-----+-------------+---------------------+----------------------+------------
x .   . .    .    |   2 | 320   *   * |   3   3   0   0   0 |   3  3   3   0  0  0 |  1  3  1  0
. x   . .    .    |   2 |   * 960   * |   1   0   2   1   0 |   2  1   0   1  2  0 |  1  2  0  1
. .   . .    x    |   2 |   *   * 960 |   0   1   0   1   2 |   0  1   2   0  2  1 |  0  2  1  1
------------------+-----+-------------+---------------------+----------------------+------------
x3x   . .    .    |   6 |   3   3   0 | 320   *   *   *   * |   2  1   0   0  0  0 |  1  2  0  0
x .   . .    x    |   4 |   2   0   2 |   * 480   *   *   * |   0  1   2   0  0  0 |  0  2  1  0
. x3/2o .    .    |   3 |   0   3   0 |   *   * 640   *   * |   1  0   0   1  1  0 |  1  1  0  1
. x   . . *b4x    |   8 |   0   4   4 |   *   *   * 240   * |   0  1   0   0  2  0 |  0  2  0  1
. .   o .    x4*c |   4 |   0   0   4 |   *   *   *   * 480 |   0  0   1   0  1  1 |  0  1  1  1
------------------+-----+-------------+---------------------+----------------------+------------
x3x3/2o .    .      12 |   6  12   0 |   4   0   4   0   0 | 160  *   *   *  *  * |  1  1  0  0
x3x   . . *b4x      48 |  24  24  24 |   8  12   0   6   0 |   * 40   *   *  *  * |  0  2  0  0
x .   o .    x4*c    8 |   4   0   8 |   0   4   0   0   2 |   *  * 240   *  *  * |  0  1  1  0
. x3/2o3o    .       4 |   0   6   0 |   0   0   4   0   0 |   *  *   * 160  *  * |  1  0  0  1
. x3/2o . *b4x4*c   24 |   0  24  24 |   0   0   8   6   6 |   *  *   *   * 80  * |  0  1  0  1
. .   o3o    x4*c    8 |   0   0  12 |   0   0   0   0   6 |   *  *   *   *  * 80 |  0  0  1  1
------------------+-----+-------------+---------------------+----------------------+------------
x3x3/2o3o    .      20 |  10  30   0 |  10   0  20   0   0 |   5  0   0   5  0  0 | 32  *  *  *
x3x3/2o . *b4x4*c  192 |  96 192 192 |  64  96  64  48  48 |  16  8  24   0  8  0 |  * 10  *  *
x .   o3o    x4*c   16 |   8   0  24 |   0  12   0   0  12 |   0  0   6   0  0  2 |  *  * 40  *
. x3/2o3o *b4x4*c   64 |   0  96  96 |   0   0  64  24  48 |   0   0  0  16  8  8 |  *  *  * 10

   3  3/2 3/2  
 x---x---o---o 
    4 \ / 4    
       x       
x3x3/2o3/2o *b4x4*c

. .   .   .    .    | 640 |   1   3   3 |   3   3   3   3   3 |   3  3   3   1  3  1 |  1  3  1  1
--------------------+-----+-------------+---------------------+----------------------+------------
x .   .   .    .    |   2 | 320   *   * |   3   3   0   0   0 |   3  3   3   0  0  0 |  1  3  1  0
. x   .   .    .    |   2 |   * 960   * |   1   0   2   1   0 |   2  1   0   1  2  0 |  1  2  0  1
. .   .   .    x    |   2 |   *   * 960 |   0   1   0   1   2 |   0  1   2   0  2  1 |  0  2  1  1
--------------------+-----+-------------+---------------------+----------------------+------------
x3x   .   .    .    |   6 |   3   3   0 | 320   *   *   *   * |   2  1   0   0  0  0 |  1  2  0  0
x .   .   .    x    |   4 |   2   0   2 |   * 480   *   *   * |   0  1   2   0  0  0 |  0  2  1  0
. x3/2o   .    .    |   3 |   0   3   0 |   *   * 640   *   * |   1  0   0   1  1  0 |  1  1  0  1
. x   .   . *b4x    |   8 |   0   4   4 |   *   *   * 240   * |   0  1   0   0  2  0 |  0  2  0  1
. .   o   .    x4*c |   4 |   0   0   4 |   *   *   *   * 480 |   0  0   1   0  1  1 |  0  1  1  1
--------------------+-----+-------------+---------------------+----------------------+------------
x3x3/2o   .    .      12 |   6  12   0 |   4   0   4   0   0 | 160  *   *   *  *  * |  1  1  0  0
x3x   .   . *b4x      48 |  24  24  24 |   8  12   0   6   0 |   * 40   *   *  *  * |  0  2  0  0
x .   o   .    x4*c    8 |   4   0   8 |   0   4   0   0   2 |   *  * 240   *  *  * |  0  1  1  0
. x3/2o3/2o    .       4 |   0   6   0 |   0   0   4   0   0 |   *  *   * 160  *  * |  1  0  0  1
. x3/2o   . *b4x4*c   24 |   0  24  24 |   0   0   8   6   6 |   *  *   *   * 80  * |  0  1  0  1
. .   o3/2o    x4*c    8 |   0   0  12 |   0   0   0   0   6 |   *  *   *   *  * 80 |  0  0  1  1
--------------------+-----+-------------+---------------------+----------------------+------------
x3x3/2o3/2o    .      20 |  10  30   0 |  10   0  20   0   0 |   5  0   0   5  0  0 | 32  *  *  *
x3x3/2o   . *b4x4*c  192 |  96 192 192 |  64  96  64  48  48 |  16  8  24   0  8  0 |  * 10  *  *
x .   o3/2o    x4*c   16 |   8   0  24 |   0  12   0   0  12 |   0  0   6   0  0  2 |  *  * 40  *
. x3/2o3/2o *b4x4*c   64 |   0  96  96 |   0   0  64  24  48 |   0   0  0  16  8  8 |  *  *  * 10

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