Johnson graph $J(9,2)$

The complement of this graph is the Kneser graph $\mathrm{K}(9,2)$.

Number of vertices:$36$
Diameter:$2$
Intersection array:$\{14,6;1,4\}$
Spectrum:$14^1 5^8 (-2)^{27}$
Automorphism group:$\mathrm{S}_9$
Distance-transitive:Yes
Primitive




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Last updated: 23 July 2024