Symplectic 7-cover of $K_9$

Number of vertices:$63$
Diameter:$3$
Intersection array:$\{8,6,1;1,1,8\}$
Spectrum:$8^1 (\sqrt{8})^{27} (-1)^8 (-\sqrt{8})^{27}$
Automorphism group:$\mathrm{P} \Gamma \mathrm{L}(2,8)$
Distance-transitive:No
Antipodal

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Last updated: 7 February 2019