| Graph Info | |
|---|---|
| Vertices | 18 |
| Edges | 27 |
| Regularity | 3 |
| Eigenspaces | 12 |
`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`
| Design Info | |
|---|---|
`k`-graphical design |
`k=8`
|
| Efficacy | `9/11` |
| Optimal | yes |
| Maximal | yes |
| Extremal | no |
| 1-Neighborhood is the graph | yes |