DistanceRegular.org
$\text{Point graphs of }GH(2,2) \text{ and its dual}$
Number of vertices:
$63$
Diameter:
$3$
Intersection array:
$\{6,4,4;1,1,3\}$
Spectrum:
$6^1 3^{21} (-1)^{27} (-3)^{14}$
Automorphism group:
$G_{2}(2) \cong PSU(3,3):2$
Distance-transitive:
$\text{Yes}$
Primitive
$\text{Downloads (Graph 1 of 2)}$
$\text{Adjacency matrix}$
$\text{Adjacency matrix in GAP format}$
$\text{Adjacency matrix in CSV format}$
$\text{Graph in GRAPE format}$
$\text{Downloads (Graph 2 of 2)}$
$\text{Adjacency matrix}$
$\text{Adjacency matrix in GAP format}$
$\text{Adjacency matrix in CSV format}$
$\text{Graph in GRAPE format}$
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Graphs with 51-100 vertices
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Graphs with diameter 3
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Graphs with valency 6
Last updated: 4 August 2017