extension | φ:Q→Aut N | d | ρ | Label | ID |
C18.1D4 = Dic36 | φ: D4/C4 → C2 ⊆ Aut C18 | 144 | 2- | C18.1D4 | 144,4 |
C18.2D4 = C72⋊C2 | φ: D4/C4 → C2 ⊆ Aut C18 | 72 | 2 | C18.2D4 | 144,7 |
C18.3D4 = D72 | φ: D4/C4 → C2 ⊆ Aut C18 | 72 | 2+ | C18.3D4 | 144,8 |
C18.4D4 = C4⋊Dic9 | φ: D4/C4 → C2 ⊆ Aut C18 | 144 | | C18.4D4 | 144,13 |
C18.5D4 = Dic9⋊C4 | φ: D4/C22 → C2 ⊆ Aut C18 | 144 | | C18.5D4 | 144,12 |
C18.6D4 = D18⋊C4 | φ: D4/C22 → C2 ⊆ Aut C18 | 72 | | C18.6D4 | 144,14 |
C18.7D4 = D4.D9 | φ: D4/C22 → C2 ⊆ Aut C18 | 72 | 4- | C18.7D4 | 144,15 |
C18.8D4 = D4⋊D9 | φ: D4/C22 → C2 ⊆ Aut C18 | 72 | 4+ | C18.8D4 | 144,16 |
C18.9D4 = C9⋊Q16 | φ: D4/C22 → C2 ⊆ Aut C18 | 144 | 4- | C18.9D4 | 144,17 |
C18.10D4 = Q8⋊2D9 | φ: D4/C22 → C2 ⊆ Aut C18 | 72 | 4+ | C18.10D4 | 144,18 |
C18.11D4 = C18.D4 | φ: D4/C22 → C2 ⊆ Aut C18 | 72 | | C18.11D4 | 144,19 |
C18.12D4 = C9×C22⋊C4 | central extension (φ=1) | 72 | | C18.12D4 | 144,21 |
C18.13D4 = C9×C4⋊C4 | central extension (φ=1) | 144 | | C18.13D4 | 144,22 |
C18.14D4 = C9×D8 | central extension (φ=1) | 72 | 2 | C18.14D4 | 144,25 |
C18.15D4 = C9×SD16 | central extension (φ=1) | 72 | 2 | C18.15D4 | 144,26 |
C18.16D4 = C9×Q16 | central extension (φ=1) | 144 | 2 | C18.16D4 | 144,27 |