graph_tool.collection.pappus_graph# graph_tool.collection.pappus_graph()[source]# Returns the Pappus graph. Returns: gGraphPappus graph Notes The Pappus graph is a cubic symmetric distance-regular graph with 18 nodes and 27 edges. It is Hamiltonian and can be represented in LCF notation as \([5,7,-7,7,-7,-5]^3\) [pappus]. References [pappus] https://en.wikipedia.org/wiki/Pappus_graph