Graphical Designs on the J5 Flower Snark


Graph Info
Vertices 20
Edges 30
Regularity 3
Eigenspaces 12


Spectrum from low to high frequency:

`0, -1.90689^2, -0.3105^2, -0.3333, -1.66669, -0.4607^2, -1.53929^2, -1.48349^2, -0.6324^2, -1.33329, -0.79400^2, -1.20599^2`

J5 Flower Snark


Design Info
`k`-graphical design
`k=9`
Efficacy
`5/15`
Optimal yes
Maximal yes
Extremal yes
1-Neighborhood is the graph yes



Get the code or see Wikipedia for more about the Flower Snarks.