Direct product G=NxQ with N=D4 and Q=D18
Semidirect products G=N:Q with N=D4 and Q=D18
Non-split extensions G=N.Q with N=D4 and Q=D18
extension | φ:Q→Out N | d | ρ | Label | ID |
D4.1D18 = D8:3D9 | φ: D18/D9 → C2 ⊆ Out D4 | 144 | 4- | D4.1D18 | 288,122 |
D4.2D18 = SD16xD9 | φ: D18/D9 → C2 ⊆ Out D4 | 72 | 4 | D4.2D18 | 288,123 |
D4.3D18 = D72:C2 | φ: D18/D9 → C2 ⊆ Out D4 | 72 | 4+ | D4.3D18 | 288,124 |
D4.4D18 = SD16:D9 | φ: D18/D9 → C2 ⊆ Out D4 | 144 | 4- | D4.4D18 | 288,125 |
D4.5D18 = SD16:3D9 | φ: D18/D9 → C2 ⊆ Out D4 | 144 | 4 | D4.5D18 | 288,126 |
D4.6D18 = C2xD4.D9 | φ: D18/C18 → C2 ⊆ Out D4 | 144 | | D4.6D18 | 288,141 |
D4.7D18 = D36:6C22 | φ: D18/C18 → C2 ⊆ Out D4 | 72 | 4 | D4.7D18 | 288,143 |
D4.8D18 = D4.D18 | φ: D18/C18 → C2 ⊆ Out D4 | 144 | 4- | D4.8D18 | 288,159 |
D4.9D18 = D4.9D18 | φ: D18/C18 → C2 ⊆ Out D4 | 144 | 4 | D4.9D18 | 288,161 |
D4.10D18 = D4.10D18 | φ: trivial image | 144 | 4- | D4.10D18 | 288,364 |
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