Graphical Designs on the J7 Flower Snark
Graph Info
Vertices
28
Edges
42
Regularity
3
Eigenspaces
16
Spectrum from low to high frequency:
`0, -1.95109^2, -0.1786^2, -0.3333, -1.66669, -1.65629^2, -0.3994^2, -1.60059^2,`
`-0.4921^2, -0.5843^2, -1.41569^2, -1.40579^2, -0.6495^2, -1.33329, -0.8517^2, -1.14829^2`
Design Info
`k`-graphical design
`k=13`
Efficacy
`7/23`
Optimal
yes
Maximal
yes
Extremal
no
1-Neighborhood is the graph
yes
Get the code
or see
Wikipedia
for more about the Flower Snarks.