Graphical Designs on the First Blanusa Snark


Graph Info
Vertices 18
Edges 27
Regularity 3
Eigenspaces 12


Spectrum from low to high frequency:

`0, -1.87019, -0.2068, -1.75949^2, -1.66669, -0.3696^2, -1.47999, -1.43909^2, -0.6667^3 -1.33329, -0.7651^2, -0.7764`


Blanusa Snark 1


Design Info
`k`-graphical design
`k=8`
Efficacy
`9/11`
Optimal yes
Maximal yes
Extremal no
1-Neighborhood is the graph yes



Get the code or see Wikipedia for more about the Blanusa snarks