DistanceRegular.org
$\text{Hall graph from P}\Sigma\text{L(2,25)}$
Number of vertices:
$65$
Diameter:
$3$
Intersection array:
$\{10,6,4;1,2,5\}$
Spectrum:
$10^1 5^{13} 0^{26} (-3)^{25}$
Automorphism group:
$P \Sigma L(2,25)$
Distance-transitive:
$\text{Yes}$
Primitive
$\text{Downloads}$
$\text{Adjacency matrix}$
$\text{Adjacency matrix in GAP format}$
$\text{Adjacency matrix in CSV format}$
$\text{Graph in GRAPE format}$
$\text{Links}$
$\text{Wolfram}$
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Graphs with 51-100 vertices
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Graphs with diameter 3
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Graphs with valency 10
Last updated: 22 January 2017