Acronym	hixtixhi
Name	hecatonicosihexacositruncated hexacosihecatonicosachoron
Circumradius	sqrt[10+2 sqrt(5)] = 3.804226
Colonel of regiment	(is itself locally convex – uniform polychoral members: by cells: gaddid grid idtid qrid tigid tut hixtixhi 120 0 120 0 120 600 gixathi 0 120 0 120 120 600 & others)
Face vector	7200, 18000, 9120, 960
Confer	general polytopal classes: Wythoffian polychora
External links

As abstract polytope hixtixhi is isomorphic to hixquitixhi, thereby replacing pentagrams by pentagons and interchanging the roles of the decagons and decagrams, respectively replacing gaddid by saddid and tigid by quit sissid.

Incidence matrix according to Dynkin symbol

x3x5x5/2o3*a5/3*c

. . .   .         | 7200 |    2    1    2 |    2    2    1    2    1 |   2   1   1   1
------------------+------+----------------+--------------------------+----------------
x . .   .         |    2 | 7200    *    * |    1    1    1    0    0 |   1   1   1   0
. x .   .         |    2 |    * 3600    * |    2    0    0    2    0 |   2   1   0   1
. . x   .         |    2 |    *    * 7200 |    0    1    0    1    1 |   1   0   1   1
------------------+------+----------------+--------------------------+----------------
x3x .   .         |    6 |    3    3    0 | 2400    *    *    *    * |   1   1   0   0
x . x   . *a5/3*c |   10 |    5    0    5 |    * 1440    *    *    * |   1   0   1   0
x . .   o3*a      |    3 |    3    0    0 |    *    * 2400    *    * |   0   1   1   0
. x5x   .         |   10 |    0    5    5 |    *    *    * 1440    * |   1   0   0   1
. . x5/2o         |    5 |    0    0    5 |    *    *    *    * 1440 |   0   0   1   1
------------------+------+----------------+--------------------------+----------------
x3x5x   . *a5/3*c ♦  120 |   60   60   60 |   20   12    0   12    0 | 120   *   *   *
x3x .   o3*a      ♦   12 |   12    6    0 |    4    0    4    0    0 |   * 600   *   *
x . x5/2o3*a5/3*c ♦   60 |   60    0   60 |    0   12   20    0   12 |   *   * 120   *
. x5x5/2o         ♦   60 |    0   30   60 |    0    0    0   12   12 |   *   *   * 120

x3x5x5/3o3/2*a5/3*c

. . .   .           | 7200 |    2    1    2 |    2    2    1    2    1 |   2   1   1   1
--------------------+------+----------------+--------------------------+----------------
x . .   .           |    2 | 7200    *    * |    1    1    1    0    0 |   1   1   1   0
. x .   .           |    2 |    * 3600    * |    2    0    0    2    0 |   2   1   0   1
. . x   .           |    2 |    *    * 7200 |    0    1    0    1    1 |   1   0   1   1
--------------------+------+----------------+--------------------------+----------------
x3x .   .           |    6 |    3    3    0 | 2400    *    *    *    * |   1   1   0   0
x . x   .   *a5/3*c |   10 |    5    0    5 |    * 1440    *    *    * |   1   0   1   0
x . .   o3/2*a      |    3 |    3    0    0 |    *    * 2400    *    * |   0   1   1   0
. x5x   .           |   10 |    0    5    5 |    *    *    * 1440    * |   1   0   0   1
. . x5/3o           |    5 |    0    0    5 |    *    *    *    * 1440 |   0   0   1   1
--------------------+------+----------------+--------------------------+----------------
x3x5x   .   *a5/3*c ♦  120 |   60   60   60 |   20   12    0   12    0 | 120   *   *   *
x3x .   o3/2*a      ♦   12 |   12    6    0 |    4    0    4    0    0 |   * 600   *   *
x . x5/3o3/2*a5/3*c ♦   60 |   60    0   60 |    0   12   20    0   12 |   *   * 120   *
. x5x5/3o           ♦   60 |    0   30   60 |    0    0    0   12   12 |   *   *   * 120