Acronym	tighi
Name	truncated great hecatonicosachoron
	©
Cross sections	©
Circumradius	sqrt[(13+5 sqrt(5))/2] = 3.477092
Colonel of regiment	(is itself locally convex – uniform polychoral members: by cells: gike sissid tid tigid taghi 120 0 120 600 tighi 0 120 0 120 )
Face vector	1440, 4320, 2160, 240
Confer	general polytopal classes: Wythoffian polychora
External links

As abstract polytope tighi is isomorphic to quit gashi, thereby replacing the pentagrams by pentagons and decagons by decagrams, resp. replacing tigid by quit sissid and replacing sissid by gad.

Incidence matrix according to Dynkin symbol

o5o5/2x5x

. .   . . | 1440 |    5   1 |    5   5 |   1   5
----------+------+----------+----------+--------
. .   x . |    2 | 3600   * |    2   1 |   1   2
. .   . x |    2 |    * 720 |    0   5 |   0   5
----------+------+----------+----------+--------
. o5/2x . |    5 |    5   0 | 1440   * |   1   1
. .   x5x |   10 |    5   5 |    * 720 |   0   2
----------+------+----------+----------+--------
o5o5/2x . ♦   12 |   30   0 |   12   0 | 120   *
. o5/2x5x ♦   60 |   60  30 |   12  12 |   * 120

o5o5/3x5x

. .   . . | 1440 |    5   1 |    5   5 |   1   5
----------+------+----------+----------+--------
. .   x . |    2 | 3600   * |    2   1 |   1   2
. .   . x |    2 |    * 720 |    0   5 |   0   5
----------+------+----------+----------+--------
. o5/3x . |    5 |    5   0 | 1440   * |   1   1
. .   x5x |   10 |    5   5 |    * 720 |   0   2
----------+------+----------+----------+--------
o5o5/3x . ♦   12 |   30   0 |   12   0 | 120   *
. o5/3x5x ♦   60 |   60  30 |   12  12 |   * 120

o5/4o5/2x5x

.   .   . . | 1440 |    5   1 |    5   5 |   1   5
------------+------+----------+----------+--------
.   .   x . |    2 | 3600   * |    2   1 |   1   2
.   .   . x |    2 |    * 720 |    0   5 |   0   5
------------+------+----------+----------+--------
.   o5/2x . |    5 |    5   0 | 1440   * |   1   1
.   .   x5x |   10 |    5   5 |    * 720 |   0   2
------------+------+----------+----------+--------
o5/4o5/2x . ♦   12 |   30   0 |   12   0 | 120   *
.   o5/2x5x ♦   60 |   60  30 |   12  12 |   * 120

o5/4o5/3x5x

.   .   . . | 1440 |    5   1 |    5   5 |   1   5
------------+------+----------+----------+--------
.   .   x . |    2 | 3600   * |    2   1 |   1   2
.   .   . x |    2 |    * 720 |    0   5 |   0   5
------------+------+----------+----------+--------
.   o5/3x . |    5 |    5   0 | 1440   * |   1   1
.   .   x5x |   10 |    5   5 |    * 720 |   0   2
------------+------+----------+----------+--------
o5/4o5/3x . ♦   12 |   30   0 |   12   0 | 120   *
.   o5/3x5x ♦   60 |   60  30 |   12  12 |   * 120