Johnson graph J(23,2) | DistanceRegular.org

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Johnson graph $J(23,2)$

The complement of this graph is the Kneser graph $\mathrm{K}(23,2)$ .

Number of vertices:	$253$
Diameter:	$2$
Intersection array:	$\{42,20;1,4\}$
Spectrum:	$42^1 19^{22} (-2)^{230}$
Automorphism group:	$\mathrm{S}_{23}$
Distance-transitive:	Yes
Primitive

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Last updated: 23 July 2024