Doubled Higman-Sims graph

Number of vertices:$200$
Diameter:$5$
Intersection array:$\{22,21,16,6,1;1,6,16,21,22\}$
Spectrum:$22^1 8^{22} 2^{77} (-2)^{77} (-8)^{22} (-22)^1$
Automorphism group:$(HS:2) \times 2$
Distance-transitive:Yes
Bipartite, Antipodal




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Last updated: 19 January 2017