Acronym ...
Name hyperbolic omnitruncated triheptagonal tiling
 
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Circumradius sqrt[(15+12 cos(π/7)-4 cos2(π/7))/(12-16 cos2(π/7))] = 4.779184 i
Vertex figure [4,6,14]
External
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wikipedia

Incidence matrix according to Dynkin symbol

x3x7x   (N → ∞)

. . . | 84N |   1   1   1 |   1   1  1
------+-----+-------------+-----------
x . . |   2 | 42N   *   * |   1   1  0
. x . |   2 |   * 42N   * |   1   0  1
. . x |   2 |   *   * 42N |   0   1  1
------+-----+-------------+-----------
x3x . |   6 |   3   3   0 | 14N   *  *
x . x |   4 |   2   0   2 |   * 21N  *
. x7x |  14 |   0   7   7 |   *   * 6N

snubbed forms: s3s7s

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