DistanceRegular.org
Johnson graph $J(13,5)$
Number of vertices:
$1287$
Diameter:
$5$
Intersection array:
$\{40,28,18,10,4;1,4,9,16,25\}$
Spectrum:
$40^1 27^{12} 16^{65} 7^{208} 0^{429} (-5)^{572}$
Automorphism group:
$S_{13}$
Distance-transitive:
Yes
Primitive
Downloads
Graph in GRAPE format
Links
Andries Brouwer
Wikipedia
Wolfram
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Johnson Graphs
Last updated: 23 April 2024