Samiksha Jaiswal

Wells graph

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Vertices  32
Radius  4
Girth  5
Edges  80
Diameter  4
Automorphisms  1920
Wells graph

The Wells graph is the unique distance-regular graph with intersection array { 5 , 4 , 1 , 1 ; 1 , 1 , 4 , 5 } . .

Its spectrum is 5 1 5 8 1 1 0 ( 5 ) 8 ( 3 ) 5 .

References

Wells graph Wikipedia