vertices | 14 edges | 21 faces | 7 (7 hexagons)

1 (2 edges) | 23/5 (2 edges) | 48/5 (1 edge) | 252/25 (1 edge) | sqrt(2) (2 edges) | 3 sqrt(2) (1 edge) | (36 sqrt(6))/25 (2 edges) | sqrt(21) (2 edges) | 2 sqrt(21) (2 edges) | (3 sqrt(53/2))/5 (2 edges) | (14 sqrt(206))/25 (2 edges) | sqrt(757/2)/5 (2 edges)

41808/625 = 66.8928

19 sqrt(17) + 1/125 (1275 + 3718 sqrt(5) + 1122 sqrt(11))≈184.819

Heawood graph

Császár polyhedron

7-complete graph

amphichiral | concave | rigid | toroidal

Lajos Szilass