DistanceRegular.org
Johnson graph $J(30,3)$
Number of vertices:
$4060$
Diameter:
$3$
Intersection array:
$\{81,52,25;1,4,9\}$
Spectrum:
$81^1 51^{29} 23^{405} (-3)^{3625}$
Automorphism group:
$S_{30}$
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