DistanceRegular.org
$O_7(3) \text{ graph}$
Number of vertices:
$378$
Diameter:
$2$
Intersection array:
$\{177,80;1,36\}$
Spectrum:
$177^1 9^{182} (-9)^{195}$
Automorphism group:
$PSO(7,3)\cong O_7(3):2$
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 more than 200 vertices
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Graphs with diameter 2
Last updated: 20 March 2019