$K_{10,10}-I$

Number of vertices:$20$
Diameter:$3$
Intersection array:$\{9,8,1; 1,8,9\}$
Spectrum:$9^1 1^9 (-1)^9 (-9)^1$
Automorphism group:$S_{10} \times \mathbb{Z}_2$
Distance-transitive:Yes
Bipartite, Antipodal




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Last updated: 4 February 2017