$\text{Johnson graph }J(10,5)$

Number of vertices:$252$
Diameter:$5$
Intersection array:$\{25,16,9,4,1;1,4,9,16,25\}$
Spectrum:$25^1 15^9 7^{35} 1^{75} (-3)^{90} (-5)^{42}$
Automorphism group:$S_{10} \times \mathbb{Z}_2$
Distance-transitive:$\text{Yes}$
Antipodal




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Last updated: 22 October 2018