Acronym	sirfixthi
Name	small retrofrustic hexacositrishecatonicosachoron
Circumradius	sqrt(5) = 2.236068
Colonel of regiment	affixthi
Face vector	3600, 14400, 11280, 960
Confer	general polytopal classes: Wythoffian polychora
External links

As abstract polytope sirfixthi is automorph, thereby interchanging the roles of pentagrams and pentagons, resp. interchanging srid and qrid.

Incidence matrix according to Dynkin symbol

o3x3o5x5/3*a

. . . .      | 3600 |    4    4 |    2    2    2    4    2 |   1   2   1   2
-------------+------+-----------+--------------------------+----------------
. x . .      |    2 | 7200    * |    1    0    1    1    0 |   1   1   0   1
. . . x      |    2 |    * 7200 |    0    1    0    1    1 |   0   1   1   1
-------------+------+-----------+--------------------------+----------------
o3x . .      |    3 |    3    0 | 2400    *    *    *    * |   1   1   0   0
o . . x5/3*a |    5 |    0    5 |    * 1440    *    *    * |   0   1   1   0
. x3o .      |    3 |    3    0 |    *    * 2400    *    * |   1   0   0   1
. x . x      |    4 |    2    2 |    *    *    * 3600    * |   0   1   0   1
. . o5x      |    5 |    0    5 |    *    *    *    * 1440 |   0   0   1   1
-------------+------+-----------+--------------------------+----------------
o3x3o .      ♦    6 |   12    0 |    4    0    4    0    0 | 600   *   *   *
o3x . x5/3*a ♦   60 |   60   60 |   20   12    0   30    0 |   * 120   *   *
o . o5x5/3*a ♦   30 |    0   60 |    0   12    0    0   12 |   *   * 120   *
. x3o5x      ♦   60 |   60   60 |    0    0   20   30   12 |   *   *   * 120

o3x3/2o5/4x5/3*a

. .   .   .      | 3600 |    4    4 |    2    2    2    4    2 |   1   2   1   2
-----------------+------+-----------+--------------------------+----------------
. x   .   .      |    2 | 7200    * |    1    0    1    1    0 |   1   1   0   1
. .   .   x      |    2 |    * 7200 |    0    1    0    1    1 |   0   1   1   1
-----------------+------+-----------+--------------------------+----------------
o3x   .   .      |    3 |    3    0 | 2400    *    *    *    * |   1   1   0   0
o .   .   x5/3*a |    5 |    0    5 |    * 1440    *    *    * |   0   1   1   0
. x3/2o   .      |    3 |    3    0 |    *    * 2400    *    * |   1   0   0   1
. x   .   x      |    4 |    2    2 |    *    *    * 3600    * |   0   1   0   1
. .   o5/4x      |    5 |    0    5 |    *    *    *    * 1440 |   0   0   1   1
-----------------+------+-----------+--------------------------+----------------
o3x3/2o   .      ♦    6 |   12    0 |    4    0    4    0    0 | 600   *   *   *
o3x   .   x5/3*a ♦   60 |   60   60 |   20   12    0   30    0 |   * 120   *   *
o .   o5/4x5/3*a ♦   30 |    0   60 |    0   12    0    0   12 |   *   * 120   *
. x3/2o5/4x      ♦   60 |   60   60 |    0    0   20   30   12 |   *   *   * 120

o3/2x3o5x5/2*a

.   . . .      | 3600 |    4    4 |    2    2    2    4    2 |   1   2   1   2
---------------+------+-----------+--------------------------+----------------
.   x . .      |    2 | 7200    * |    1    0    1    1    0 |   1   1   0   1
.   . . x      |    2 |    * 7200 |    0    1    0    1    1 |   0   1   1   1
---------------+------+-----------+--------------------------+----------------
o3/2x . .      |    3 |    3    0 | 2400    *    *    *    * |   1   1   0   0
o   . . x5/2*a |    5 |    0    5 |    * 1440    *    *    * |   0   1   1   0
.   x3o .      |    3 |    3    0 |    *    * 2400    *    * |   1   0   0   1
.   x . x      |    4 |    2    2 |    *    *    * 3600    * |   0   1   0   1
.   . o5x      |    5 |    0    5 |    *    *    *    * 1440 |   0   0   1   1
---------------+------+-----------+--------------------------+----------------
o3/2x3o .      ♦    6 |   12    0 |    4    0    4    0    0 | 600   *   *   *
o3/2x . x5/2*a ♦   60 |   60   60 |   20   12    0   30    0 |   * 120   *   *
o   . o5x5/2*a ♦   30 |    0   60 |    0   12    0    0   12 |   *   * 120   *
.   x3o5x      ♦   60 |   60   60 |    0    0   20   30   12 |   *   *   * 120

o3/2x3/2o5/4x5/2*a

.   .   .   .      | 3600 |    4    4 |    2    2    2    4    2 |   1   2   1   2
-------------------+------+-----------+--------------------------+----------------
.   x   .   .      |    2 | 7200    * |    1    0    1    1    0 |   1   1   0   1
.   .   .   x      |    2 |    * 7200 |    0    1    0    1    1 |   0   1   1   1
-------------------+------+-----------+--------------------------+----------------
o3/2x   .   .      |    3 |    3    0 | 2400    *    *    *    * |   1   1   0   0
o   .   .   x5/2*a |    5 |    0    5 |    * 1440    *    *    * |   0   1   1   0
.   x3/2o   .      |    3 |    3    0 |    *    * 2400    *    * |   1   0   0   1
.   x   .   x      |    4 |    2    2 |    *    *    * 3600    * |   0   1   0   1
.   .   o5/4x      |    5 |    0    5 |    *    *    *    * 1440 |   0   0   1   1
-------------------+------+-----------+--------------------------+----------------
o3/2x3/2o   .      ♦    6 |   12    0 |    4    0    4    0    0 | 600   *   *   *
o3/2x   .   x5/2*a ♦   60 |   60   60 |   20   12    0   30    0 |   * 120   *   *
o   .   o5/4x5/2*a ♦   30 |    0   60 |    0   12    0    0   12 |   *   * 120   *
.   x3/2o5/4x      ♦   60 |   60   60 |    0    0   20   30   12 |   *   *   * 120