Kneser graph K(20,2) | DistanceRegular.org

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Kneser graph $\mathrm{K}(20,2)$

This graph is the complement of the Johnson graph $\mathrm{J}(20,2)$ .

Number of vertices:	$190$
Diameter:	$2$
Intersection array:	$\{153,32;1,136\}$
Spectrum:	$153^1 1^{170} (-17)^{19}$
Automorphism group:	$\mathrm{S}_{20}$
Distance-transitive:	Yes
Primitive

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Last updated: 23 July 2024