Extensions 1→N→G→Q→1 with N=C22:C4 and Q=D9

Direct product G=NxQ with N=C22:C4 and Q=D9
dρLabelID
C22:C4xD972C2^2:C4xD9288,90

Semidirect products G=N:Q with N=C22:C4 and Q=D9
extensionφ:Q→Out NdρLabelID
C22:C4:1D9 = C22.D36φ: D9/C9C2 ⊆ Out C22:C4724C2^2:C4:1D9288,13
C22:C4:2D9 = C22:3D36φ: D9/C9C2 ⊆ Out C22:C472C2^2:C4:2D9288,92
C22:C4:3D9 = C23.9D18φ: D9/C9C2 ⊆ Out C22:C4144C2^2:C4:3D9288,93
C22:C4:4D9 = D18:D4φ: D9/C9C2 ⊆ Out C22:C4144C2^2:C4:4D9288,94
C22:C4:5D9 = Dic9.D4φ: D9/C9C2 ⊆ Out C22:C4144C2^2:C4:5D9288,95
C22:C4:6D9 = C22.4D36φ: D9/C9C2 ⊆ Out C22:C4144C2^2:C4:6D9288,96
C22:C4:7D9 = Dic9:4D4φ: trivial image144C2^2:C4:7D9288,91

Non-split extensions G=N.Q with N=C22:C4 and Q=D9
extensionφ:Q→Out NdρLabelID
C22:C4.1D9 = C22:2Dic18φ: D9/C9C2 ⊆ Out C22:C4144C2^2:C4.1D9288,88
C22:C4.2D9 = C23.8D18φ: D9/C9C2 ⊆ Out C22:C4144C2^2:C4.2D9288,89
C22:C4.3D9 = C23.16D18φ: trivial image144C2^2:C4.3D9288,87

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