DistanceRegular.org
$2^{\text{nd}} \text{ subconstituent of McLaughlin graph}$
Number of vertices:
$162$
Diameter:
$2$
Intersection array:
$\{105,32;1,60\}$
Spectrum:
$105^1 15^{21} (-3)^{140}$
Automorphism group:
$\text{PSU}(4,3):2^2$
Distance-transitive:
$\text{Yes}$
Primitive
$\text{Downloads}$
$\text{Adjacency matrix}$
$\text{Adjacency matrix in GAP format}$
$\text{Adjacency matrix in CSV format}$
$\text{Graph in GRAPE format}$
$\text{Links}$
$\text{Andries Brouwer}$
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Graphs with 151-200 vertices
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Graphs with diameter 2
Last updated: 27 March 2019