Distance-2 graph of coset graph of binary Golay code

Number of vertices:$2048$
Diameter:$3$
Intersection array:$\{253,210,3;1,30,231\}$
Spectrum:$253^1 29^{253} 13^{506} (-11)^{1288}$
Automorphism group:$2^{11}.\mathrm{M}_{23}$
Distance-transitive:Yes
Primitive




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Last updated: 12 August 2024