Acronym nottant Name penteractitruncated penteractitriacontaditeron Field of sections ` ©` Circumradius sqrt[13+4 sqrt(2)]/2 = 2.159679 Vertex figure ` ©` Colonel of regiment (is itself locally convex – no other uniform polyteral members) Externallinks

As abstract polytope nottant is isomorphic to naquitant, thereby interchanging the roles of octagrams and octagons, resp. replacing tic by quith, resp. tat by quitit, and thatoth by thaquitoth.

Incidence matrix according to Dynkin symbol

```o3o3x3x4/3x4*c

. . . .   .    | 640 |   3   1   1 |   3   3   3  1 |   1   3  3  3 |  1  1  3
---------------+-----+-------------+----------------+---------------+---------
. . x .   .    |   2 | 960   *   * |   2   1   1  0 |   1   2  2  1 |  1  1  2
. . . x   .    |   2 |   * 320   * |   0   3   0  1 |   0   3  0  3 |  1  0  3
. . . .   x    |   2 |   *   * 320 |   0   0   3  1 |   0   0  3  3 |  0  1  3
---------------+-----+-------------+----------------+---------------+---------
. o3x .   .    |   3 |   3   0   0 | 640   *   *  * |   1   1  1  0 |  1  1  1
. . x3x   .    |   6 |   3   3   0 |   * 320   *  * |   0   2  0  1 |  1  0  2
. . x .   x4*c |   8 |   4   0   4 |   *   * 240  * |   0   0  2  1 |  0  1  2
. . . x4/3x    |   8 |   0   4   4 |   *   *   * 80 |   0   0  0  3 |  0  0  3
---------------+-----+-------------+----------------+---------------+---------
o3o3x .   .    ♦   4 |   6   0   0 |   4   0   0  0 | 160   *  *  * |  1  1  0
. o3x3x   .    ♦  12 |  12   6   0 |   4   4   0  0 |   * 160  *  * |  1  0  1
. o3x .   x4*c ♦  24 |  24   0  12 |   8   0   6  0 |   *   * 80  * |  0  1  1
. . x3x4/3x4*c ♦  48 |  24  24  24 |   0   8   6  6 |   *   *  * 40 |  0  0  2
---------------+-----+-------------+----------------+---------------+---------
o3o3x3x   .    ♦  20 |  30  10   0 |  20  10   0  0 |   5   5  0  0 | 32  *  *
o3o3x .   x4*c ♦  64 |  96   0  32 |  64   0  24  0 |  16   0  8  0 |  * 10  *
. o3x3x4/3x4*c ♦ 192 | 192  96  96 |  64  64  48 24 |   0  16  8  8 |  *  * 10
```