DistanceRegular.org
Johnson graph $J(18,4)$
Number of vertices:
$3060$
Diameter:
$4$
Intersection array:
$\{56,39,24,11;1,4,9,16\}$
Spectrum:
$56^1 38^{17} 22^{135} 8^{663} (-4)^{2244}$
Automorphism group:
$S_{18}$
Distance-transitive:
Yes
Primitive
Downloads
Graph in GRAPE format
Links
Andries Brouwer
Wikipedia
Wolfram
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Last updated: 24 April 2024