DistanceRegular.org
Complements of Paulus graphs
(i.e. $\mathrm{SRG}(26,15,8,9)$) (10 graphs)
Number of vertices:
$26$
Diameter:
$2$
Intersection array:
$\{15,6;1,9\}$
Spectrum:
$15^1 2^{12} (-3)^{13}$
Distance-transitive:
No
Primitive
Downloads
Adjacency matrices
Adjacency matrices in GAP format
Adjacency matrices in CSV format
Links
Andries Brouwer: Paulus graphs
Wolfram: Paulus graphs
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Graphs with up to 50 vertices
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Graphs with diameter 2
Last updated: 8 February 2017