Keywords: Harries graph petersen drawing.jpg en Drawing of the Harries Graph This drawing emphasizes the 4 differents orbits in the graph's automorphism group This graph is actually built from two disjoint copies of the Petersen graph 1st orbit whose edges are then subdivided and the vertices subdividing the edges are the second orbit and paired together by a third class of 15 vertices these being joined by 5 others own Nathann cohen 2012-05-15 Released into the public domain by the author en wikipedia Nathann cohen Harries graph |