Johnson graph $J(8,4)$

Number of vertices:$70$
Diameter:$4$
Intersection array:$\{19,9,4,1;1,4,9,16\}$
Spectrum:$16^1 8^7 2^{20} (-2)^{28} (-4)^{14}$
Automorphism group:$S_8 \times \mathbb{Z}_2$
Distance-transitive:Yes
Antipodal




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Last updated: 4 February 2017