DistanceRegular.org
$\text{Hall-Janko graph}$
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:
$\text{Yes}$
Primitive
$\text{Downloads}$
$\text{Adjacency matrix}$
$\text{Adjacency matrix in GAP format}$
$\text{Adjacency matrix in CSV format}$
$\text{Graph in GRAPE format}$
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Graphs with 51-100 vertices
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Graphs with diameter 2
Last updated: 22 January 2017