Processing math: 100%

Graphical Designs on the Brouwer-Haemers Graph


Graph Info
Vertices 81
Edges 810
Regularity 10
Eigenspaces 3


Spectrum from low to high frequency:

0,(-1.35)20,(-.9)60

Brouwers-Haemers Graph


Design Info
k-graphical design
k=2
Efficacy
921
Optimal yes
Maximal yes
Extremal yes
1-Neighborhood is the graph yes



Get the code or see Wikipedia for more about the Brouwer-Haemers graph