DescriptionCoxeter graph with Fano plane vertices.svg The 28 vertices of the Coxeter graph correspond to sets of 3 points of the Fano plane, except the...
DescriptionFano num.svg English: Fano plane (see File:Heawood_num.svg) Source Own work from Coxeter http://www.ams.org/journals/bull/1950-56-05/S0002-9904-1950-09407-5/...
triples; Fano.svg This is an abstraction of the Cayley graph with its 168 vertices and 168 directed and 84 undirected edges. Each of the 28 vertices corresponds...
