Extensions 1→N→G→Q→1 with N=C4.D4 and Q=C2

Direct product G=N×Q with N=C4.D4 and Q=C2
dρLabelID
C2×C4.D416C2xC4.D464,92

Semidirect products G=N:Q with N=C4.D4 and Q=C2
extensionφ:Q→Out NdρLabelID
C4.D41C2 = D44D4φ: C2/C1C2 ⊆ Out C4.D484+C4.D4:1C264,134
C4.D42C2 = D4.9D4φ: C2/C1C2 ⊆ Out C4.D4164C4.D4:2C264,136
C4.D43C2 = D4.3D4φ: C2/C1C2 ⊆ Out C4.D4164C4.D4:3C264,152
C4.D44C2 = D4.4D4φ: C2/C1C2 ⊆ Out C4.D4164+C4.D4:4C264,153
C4.D45C2 = C2≀C4φ: C2/C1C2 ⊆ Out C4.D484+C4.D4:5C264,32
C4.D46C2 = M4(2).8C22φ: trivial image164C4.D4:6C264,94

Non-split extensions G=N.Q with N=C4.D4 and Q=C2
extensionφ:Q→Out NdρLabelID
C4.D4.C2 = C23.D4φ: C2/C1C2 ⊆ Out C4.D4164C4.D4.C264,33

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