Acronym ...
Name x3f5o,
variation of ti,
hull of raded,
hull of kri
Circumradius sqrt[(49+21 sqrt(5))/8] = 3.463334
General of army (is itself convex)
Colonel of regiment (is itself locally convex)
Dihedral angles
  • between f5o and x3f:   arccos(-sqrt[(5+2 sqrt(5))/15]) = 142.622632°
  • between x3f and x3f (at x):   arccos(-sqrt(5)/3) = 138.189685°
Confer
uniform variant:
ti  
variations:
a3b5c   f3x5o   (-x)3x5o  

Incidence matrix according to Dynkin symbol

x3f5o

. . . | 60 |  1  2 |  2  1
------+----+-------+------
x . . |  2 | 30  * |  2  0
. f . |  2 |  * 60 |  1  1
------+----+-------+------
x3f . |  6 |  3  3 | 20  *
. f5o |  5 |  0  5 |  * 12

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