Graphical Designs on the Gosset Graph
Graph Info
Vertices
56
Edges
756
Regularity
27
Eigenspaces
4
Spectrum from low to high frequency:
`0, -.66667^7, -1.11111^{21}, -1.0370^{27}`
Design Info
`k`-graphical design
`k=3`
Efficacy
`2/29`
Optimal
yes
Maximal
yes
Extremal
yes
1-Neighborhood is the graph
yes
Get the code
or see
Wikipedia
for more about the Gosset graph.