Coolsaet-Degraer 3-cover of $K_{14}$

Number of vertices:$42$
Diameter:$3$
Intersection array:$\{13,8,1;1,4,13\}$
Spectrum:$13^1 (\sqrt{13})^{14} (-1)^{13} (-\sqrt{13})^{14}$
Automorphism group:$\mathrm{PGL}(3,2)$
Distance-transitive:No

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Last updated: 20 February 2019