DistanceRegular.org
Point graph of $\mathrm{GQ}(9,27)$
Number of vertices:
$2440$
Diameter:
$2$
Intersection array:
$\{252,243;1,28\}$
Spectrum:
$252^1 8^{1890} (-28)^{549}$
Automorphism group:
$\mathrm{PSU}(5,3):2$
Distance-transitive:
Yes
Primitive
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Graph in GRAPE format
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Last updated: 5 June 2024