| d | ρ | Label | ID | ||
|---|---|---|---|---|---|
| C18×Dic5 | 360 | C18xDic5 | 360,18 |
| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|---|---|---|---|---|
| C18⋊Dic5 = C2×Dic45 | φ: Dic5/C10 → C2 ⊆ Aut C18 | 360 | C18:Dic5 | 360,28 |
| extension | φ:Q→Aut N | d | ρ | Label | ID |
|---|---|---|---|---|---|
| C18.Dic5 = C45⋊3C8 | φ: Dic5/C10 → C2 ⊆ Aut C18 | 360 | 2 | C18.Dic5 | 360,3 |
| C18.2Dic5 = C9×C5⋊2C8 | central extension (φ=1) | 360 | 2 | C18.2Dic5 | 360,2 |