Extensions 1→N→G→Q→1 with N=C423C4 and Q=C2

Direct product G=N×Q with N=C423C4 and Q=C2
dρLabelID
C2×C423C432C2xC4^2:3C4128,857

Semidirect products G=N:Q with N=C423C4 and Q=C2
extensionφ:Q→Out NdρLabelID
C423C41C2 = C42.3D4φ: C2/C1C2 ⊆ Out C423C4164C4^2:3C4:1C2128,136
C423C42C2 = C8⋊C4⋊C4φ: C2/C1C2 ⊆ Out C423C4168+C4^2:3C4:2C2128,138
C423C43C2 = C24.39D4φ: C2/C1C2 ⊆ Out C423C4168+C4^2:3C4:3C2128,859
C423C44C2 = C4⋊Q8⋊C4φ: C2/C1C2 ⊆ Out C423C4328-C4^2:3C4:4C2128,861
C423C45C2 = C424D4φ: C2/C1C2 ⊆ Out C423C4164C4^2:3C4:5C2128,929
C423C46C2 = C425D4φ: C2/C1C2 ⊆ Out C423C4168+C4^2:3C4:6C2128,931
C423C47C2 = C42.14D4φ: C2/C1C2 ⊆ Out C423C4328-C4^2:3C4:7C2128,933
C423C48C2 = C4⋊Q829C4φ: trivial image164C4^2:3C4:8C2128,858

Non-split extensions G=N.Q with N=C423C4 and Q=C2
extensionφ:Q→Out NdρLabelID
C423C4.1C2 = (C2×D4).D4φ: C2/C1C2 ⊆ Out C423C4328-C4^2:3C4.1C2128,139
C423C4.2C2 = (C4×C8)⋊C4φ: C2/C1C2 ⊆ Out C423C4324C4^2:3C4.2C2128,146

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