Graphical Designs on the First Celmins-Swart Snark


Graph Info
Vertices 26
Edges 39
Regularity 3
Eigenspaces 23


Spectrum from low to high frequency:

`0, -0.0977, -1.82039, -1.79759, -0.2080, -1.79199, -1.77109, -0.3122, -1.66669^2, -1.60149, -1.56589,`

`-0.4710, -0.4846, -0.4993, -1.38219, -1.36949, -0.6667^3 -0.7123, -0.7817, -0.8016, -1.19839, -0.8798, -1.11979`


Optimal Design Celmins-Swart Snark 1


Design Info
`k`-graphical design
`k=4`
Efficacy
`1/4`
Optimal yes
Maximal no
Extremal no
1-Neighborhood is the graph no



Maximal Design Celmins Swart Snark 1


Design Info
`k`-graphical design
`k=6`
Efficacy
`6/12`
Optimal no
Maximal yes
Extremal no
1-Neighborhood is the graph yes



Get the code or see Wikipedia for more about the first Celmins-Swart snark.