Acronym	thet
Name	hyperbolic triheptagonal tiling
	©
Circumradius	1/sqrt[3-4 cos2(π/7)] = 2.012192 i
Vertex figure	[(3,7)2]
External links

Incidence matrix according to Dynkin symbol

o3x7o   (N → ∞)

. . . | 21N |   4 |   2  2
------+-----+-----+-------
. x . |   2 | 42N |   1  1
------+-----+-----+-------
o3x . |   3 |   3 | 14N  *
. x7o |   7 |   7 |   * 6N