DistanceRegular.org
Johnson graph $J(8,3)$
Number of vertices:
$56$
Diameter:
$3$
Intersection array:
$\{15,8,3;1,4,9\}$
Spectrum:
$15^1 7^7 1^{20} (-3)^{28}$
Automorphism group:
$S_8$
Distance-transitive:
Yes
Primitive
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 51-100 vertices
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Graphs with diameter 3
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Johnson Graphs
Last updated: 1 March 2024