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Extensions 1→N→G→Q→1 with N=C22 and Q=C2.D8

Direct product G=N×Q with N=C22 and Q=C2.D8
dρLabelID
C22×C2.D8128C2^2xC2.D8128,1640

Semidirect products G=N:Q with N=C22 and Q=C2.D8
extensionφ:Q→Aut NdρLabelID
C22⋊1(C2.D8) = C23.37D8φ: C2.D8/C4⋊C4 → C2 ⊆ Aut C2264C2^2:1(C2.D8)128,584
C22⋊2(C2.D8) = C23.22D8φ: C2.D8/C2×C8 → C2 ⊆ Aut C2264C2^2:2(C2.D8)128,540

Non-split extensions G=N.Q with N=C22 and Q=C2.D8
extensionφ:Q→Aut NdρLabelID
C22.1(C2.D8) = C23.30D8φ: C2.D8/C4⋊C4 → C2 ⊆ Aut C2232C2^2.1(C2.D8)128,26
C22.2(C2.D8) = C42.389D4φ: C2.D8/C4⋊C4 → C2 ⊆ Aut C2264C2^2.2(C2.D8)128,33
C22.3(C2.D8) = C8.C42φ: C2.D8/C4⋊C4 → C2 ⊆ Aut C2232C2^2.3(C2.D8)128,118
C22.4(C2.D8) = M5(2).C4φ: C2.D8/C4⋊C4 → C2 ⊆ Aut C22324C2^2.4(C2.D8)128,120
C22.5(C2.D8) = C42.91D4φ: C2.D8/C4⋊C4 → C2 ⊆ Aut C2264C2^2.5(C2.D8)128,303
C22.6(C2.D8) = M5(2)⋊1C4φ: C2.D8/C4⋊C4 → C2 ⊆ Aut C2264C2^2.6(C2.D8)128,891
C22.7(C2.D8) = M5(2).1C4φ: C2.D8/C4⋊C4 → C2 ⊆ Aut C22324C2^2.7(C2.D8)128,893
C22.8(C2.D8) = C23.8D8φ: C2.D8/C2×C8 → C2 ⊆ Aut C2232C2^2.8(C2.D8)128,21
C22.9(C2.D8) = C42.27D4φ: C2.D8/C2×C8 → C2 ⊆ Aut C2264C2^2.9(C2.D8)128,24
C22.10(C2.D8) = C23.9D8φ: C2.D8/C2×C8 → C2 ⊆ Aut C22324C2^2.10(C2.D8)128,116
C22.11(C2.D8) = C8.13C42φ: C2.D8/C2×C8 → C2 ⊆ Aut C22324C2^2.11(C2.D8)128,117
C22.12(C2.D8) = C8⋊7M4(2)φ: C2.D8/C2×C8 → C2 ⊆ Aut C2264C2^2.12(C2.D8)128,299
C22.13(C2.D8) = C23.25D8φ: C2.D8/C2×C8 → C2 ⊆ Aut C2264C2^2.13(C2.D8)128,890
C22.14(C2.D8) = C2×C8.4Q8φ: C2.D8/C2×C8 → C2 ⊆ Aut C2264C2^2.14(C2.D8)128,892
C22.15(C2.D8) = C42.385D4central extension (φ=1)128C2^2.15(C2.D8)128,9
C22.16(C2.D8) = C16⋊3C8central extension (φ=1)128C2^2.16(C2.D8)128,103
C22.17(C2.D8) = C16⋊4C8central extension (φ=1)128C2^2.17(C2.D8)128,104
C22.18(C2.D8) = C8.7C42central extension (φ=1)128C2^2.18(C2.D8)128,112
C22.19(C2.D8) = C8.8C42central extension (φ=1)64C2^2.19(C2.D8)128,113
C22.20(C2.D8) = C2×C8⋊1C8central extension (φ=1)128C2^2.20(C2.D8)128,295
C22.21(C2.D8) = C2×C22.4Q16central extension (φ=1)128C2^2.21(C2.D8)128,466
C22.22(C2.D8) = C2×C16⋊3C4central extension (φ=1)128C2^2.22(C2.D8)128,888
C22.23(C2.D8) = C2×C16⋊4C4central extension (φ=1)128C2^2.23(C2.D8)128,889

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