Acronym ...
Name 2rahi (?)
Circumradius sqrt[(21+9 sqrt(5))/2] = 4.534568
General of army rahi
Colonel of regiment rahi
Confer
non-Grünbaumian master:
rahi  
Grünbaumian relatives:
2rahi+2400tet  

Looks like a compound of 2 rectified hecatonicosachora (rahi), and indeed all but the Grünbaumian elements coincide by pairs.


Incidence matrix according to Dynkin symbol

o3o3x5β

both( . . . . ) | 2400 |    3    3 |    3   3    3 |   1   3   1
----------------+------+-----------+---------------+------------
both( . . x . ) |    2 | 3600    * |    2   1    0 |   1   2   0
sefa( . . x5β ) |    2 |    * 3600 |    0   1    2 |   0   2   1
----------------+------+-----------+---------------+------------
both( . o3x . ) |    3 |    3    0 | 2400   *    * |   1   1   0
      . . x5β      10 |    5    5 |    * 720    * |   0   2   0
sefa( . o3x5β ) |    3 |    0    3 |    *   * 2400 |   0   1   1
----------------+------+-----------+---------------+------------
both( o3o3x . )     4 |    6    0 |    4   0    0 | 600   *   *
      . o3x5β      60 |   60   60 |   20  12   20 |   * 120   *
sefa( o3o3x5β )     4 |    0    6 |    0   0    4 |   *   * 600

starting figure: o3o3x5x

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