DistanceRegular.org
Octahedron $\cong J(4,2)$
Number of vertices:
$6$
Diameter:
$2$
Intersection array:
$\{4,1; 1,4\}$
Spectrum:
$4^10^3(-2)^2$
Automorphism group:
$S_4 \times \mathbb{Z}_2$
Distance-transitive:
Yes
Antipodal
Downloads
Adjacency matrix
Adjacency matrix in GAP format
Adjacency matrix in CSV format
Graph in GRAPE format
Links
Wikipedia: Octahedron
Wolfram: Octahedron
Andries Brouwer: Johnson graph
Wikipedia: Johnson graph
Wolfram: Johnson graph
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Graphs with up to 50 vertices
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Graphs with diameter 2
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Graphs with valency 4
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Johnson Graphs
Last updated: 4 February 2017