Berlekamp-van Lint-Seidel graph

Number of vertices:$243$
Diameter:$2$
Intersection array:$\{22,20;1,2\}$
Spectrum:$22^1 4^{132} (-5)^{110}$
Automorphism group:$3^5 : (2\times M_{11})$
Distance-transitive:Yes
Primitive




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Last updated: 28 February 2024