DistanceRegular.org
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:
Yes
Antipodal
Downloads
Adjacency matrix
Adjacency matrix in GAP format
Adjacency matrix in CSV format
Graph in GRAPE format
Links
Andries Brouwer
Wikipedia
Wolfram
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Graphs with 201-300 vertices
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Graphs with diameter 5
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Johnson Graphs
Last updated: 28 February 2024