DistanceRegular.org
Hall-Janko graph
Number of vertices:
$100$
Diameter:
$2$
Intersection array:
$\{36,21;1,12\}$
Spectrum:
$36^1 6^{36} (-4)^{63}$
Automorphism group:
$J_2.2$
Distance-transitive:
Yes
Primitive
Downloads
Adjacency matrix
Adjacency matrix in GAP format
Adjacency matrix in CSV format
Graph in GRAPE format
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Graphs with 51-100 vertices
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Graphs with diameter 2
Last updated: 22 January 2017