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Extensions 1→N→G→Q→1 with N=D18⋊C4 and Q=C2

Direct product G=N×Q with N=D18⋊C4 and Q=C2
dρLabelID
C2×D18⋊C4144C2xD18:C4288,137

Semidirect products G=N:Q with N=D18⋊C4 and Q=C2
extensionφ:Q→Out NdρLabelID
D18⋊C4⋊1C2 = C42⋊7D9φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4:1C2288,85
D18⋊C4⋊2C2 = C23.28D18φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4:2C2288,139
D18⋊C4⋊3C2 = C36⋊7D4φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4:3C2288,140
D18⋊C4⋊4C2 = C22⋊3D36φ: C2/C1 → C2 ⊆ Out D18⋊C472D18:C4:4C2288,92
D18⋊C4⋊5C2 = C23.9D18φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4:5C2288,93
D18⋊C4⋊6C2 = C22.4D36φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4:6C2288,96
D18⋊C4⋊7C2 = C4⋊D36φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4:7C2288,105
D18⋊C4⋊8C2 = C22⋊C4×D9φ: C2/C1 → C2 ⊆ Out D18⋊C472D18:C4:8C2288,90
D18⋊C4⋊9C2 = Dic9⋊4D4φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4:9C2288,91
D18⋊C4⋊10C2 = D18⋊D4φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4:10C2288,94
D18⋊C4⋊11C2 = Dic9.D4φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4:11C2288,95
D18⋊C4⋊12C2 = D36⋊C4φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4:12C2288,103
D18⋊C4⋊13C2 = D18.D4φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4:13C2288,104
D18⋊C4⋊14C2 = C23⋊2D18φ: C2/C1 → C2 ⊆ Out D18⋊C472D18:C4:14C2288,147
D18⋊C4⋊15C2 = Dic9⋊D4φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4:15C2288,149
D18⋊C4⋊16C2 = C36.23D4φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4:16C2288,157
D18⋊C4⋊17C2 = C4×D36φ: trivial image144D18:C4:17C2288,83
D18⋊C4⋊18C2 = C4×C9⋊D4φ: trivial image144D18:C4:18C2288,138

Non-split extensions G=N.Q with N=D18⋊C4 and Q=C2
extensionφ:Q→Out NdρLabelID
D18⋊C4.1C2 = C42⋊3D9φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4.1C2288,86
D18⋊C4.2C2 = D18⋊2Q8φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4.2C2288,107
D18⋊C4.3C2 = C4⋊C4⋊7D9φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4.3C2288,102
D18⋊C4.4C2 = C4⋊C4⋊D9φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4.4C2288,108
D18⋊C4.5C2 = D18⋊Q8φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4.5C2288,106
D18⋊C4.6C2 = D18⋊3Q8φ: C2/C1 → C2 ⊆ Out D18⋊C4144D18:C4.6C2288,156
D18⋊C4.7C2 = C42⋊2D9φ: trivial image144D18:C4.7C2288,82

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