Acronym	sirpdi
Name	small rhombiprismic disicosatetrachoron
Circumradius	sqrt[8+3 sqrt(2)] = 3.498949
General of army	prico
Colonel of regiment	prico
Face vector	576, 1440, 912, 144
External links

As abstract polytope sirpdi is isomorphic to girpdi, thereby replacing octagons by octagrams, resp. replacing the girco by quitco and sroh by groh.

Incidence matrix

576 |   2   2   1 |   2   2   2   2 |  1  2  2
----+-------------+-----------------+---------
  2 | 576   *   * |   1   1   1   0 |  1  1  1
  2 |   * 576   * |   0   1   1   1 |  1  1  1
  2 |   *   * 288 |   2   0   0   2 |  0  2  2
----+-------------+-----------------+---------
  6 |   3   0   3 | 192   *   *   * |  0  1  1
  8 |   4   4   0 |   * 144   *   * |  1  0  1
  4 |   2   2   0 |   *   * 288   * |  1  1  0
  4 |   0   2   2 |   *   *   * 288 |  0  1  1
----+-------------+-----------------+---------
 24 |  24  24   0 |   0   6  12   0 | 24  *  *  (sroh)
 12 |   6   6   6 |   2   0   3   3 |  * 96  *  (hip)
 48 |  24  24  24 |   8   6   0  12 |  *  * 24  (girco)