DistanceRegular.org
$\text{Chang graphs (3 graphs)}$
These have the same parameters as the
Johnson graph $J(8,2)$
.
Number of vertices:
$28$
Diameter:
$2$
Intersection array:
$\{12,5;1,4\}$
Spectrum:
$12^1 4^7 (-2)^{20}$
Distance-transitive:
$\text{No}$
Primitive
$\text{Downloads}$
$\text{Adjacency matrices}$
$\text{Adjacency matrices in GAP format}$
$\text{Links}$
$\text{Andries Brouwer}$
$\text{Wikipedia}$
$\text{Wolfram}$
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•
Graphs with up to 50 vertices
•
Graphs with diameter 2
•
Graphs with valency 12
Last updated: 19 January 2017