DistanceRegular.org
Paley graph $P_{109}$
Number of vertices:
$109$
Diameter:
$2$
Intersection array:
$\{54,27;1,27\}$
Spectrum:
$54^1 \left(\frac{-1+\sqrt{109}}{2}\right)^{54} \left(\frac{-1-\sqrt{109}}{2}\right)^{54}$
Automorphism group:
$109:54$
Distance-transitive:
Yes
Primitive
Downloads
Adjacency matrix
Adjacency matrix in GAP format
Adjacency matrix in CSV format
Graph in GRAPE format
Links
Andries Brouwer
Wikipedia
Wolfram
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Graphs with 101-150 vertices
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Graphs with diameter 2
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Paley Graphs
Last updated: 2 March 2025