Diameter-7 distance-regular graphs

No. of verticesIntersection ArrayGraph
70$\{4,3,3,2,2,1,1;1,1,2,2,3,3,4\}$Doubled Odd graph $D(O_4)$
102$\{3,2,2,2,1,1,1;1,1,1,1,1,1,3\}$Biggs-Smith graph
128$\{7,6,5,4,3,2,1; 1,2,3,4,5,6,7\}$7-cube $Q_7 \cong H(7,2)$
2048$\{22,21,20,16,6,2,1;1,2,6,16,20,21,22\}$Double coset graph of truncated binary Golay code
2187$\{14,12,10,8,6,4,2;1,2,3,4,5,6,7\}$$H(7,3)$
3432$\{49,36,25,16,9,4,1;1,4,9,16,25,36,49\}$$J(14,7)$
4096$\{23,22,21,20,3,2,1;1,2,3,20,21,22,23\}$Double coset graph of binary Golay code

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Last updated: 12 August 2024