Acronym	sirpaxhi
Name	small rhombiprismic hexacosahecatonicosachoron
Circumradius	sqrt[48+21 sqrt(5)] = 9.744610
General of army	prix
Colonel of regiment	prix
Face vector	7200, 18000, 11040, 1440
External links

As abstract polychoron sirpaxhi is isomorphic to girpixhi, thereby replacing decagons by decagrams, resp. dip by stiddip and grid by gaquatid.

Incidence matrix

7200 |    2    2    1 |    2    2    2    2 |   1   2   2
-----+----------------+---------------------+------------
   2 | 7200    *    * |    1    1    1    0 |   1   1   1
   2 |    * 7200    * |    0    1    1    1 |   1   1   1
   2 |    *    * 3600 |    2    0    0    2 |   0   2   2
-----+----------------+---------------------+------------
  10 |    5    0    5 | 1440    *    *    * |   0   1   1
   6 |    3    3    0 |    * 2400    *    * |   1   0   1
   4 |    2    2    0 |    *    * 3600    * |   1   1   0
   4 |    0    2    2 |    *    *    * 3600 |   0   1   1
-----+----------------+---------------------+------------
  12 |   12   12    0 |    0    4    6    0 | 600   *   *  cho
  20 |   10   10   10 |    2    0    5    5 |   * 720   *  dip
 120 |   60   60   60 |   12   20    0   30 |   *   * 120  grid