Extensions 1→N→G→Q→1 with N=C2 and Q=C2×D8

Direct product G=N×Q with N=C2 and Q=C2×D8
dρLabelID
C22×D832C2^2xD864,250


Non-split extensions G=N.Q with N=C2 and Q=C2×D8
extensionφ:Q→Aut NdρLabelID
C2.1(C2×D8) = C2×D4⋊C4central extension (φ=1)32C2.1(C2xD8)64,95
C2.2(C2×D8) = C2×C2.D8central extension (φ=1)64C2.2(C2xD8)64,107
C2.3(C2×D8) = C4×D8central extension (φ=1)32C2.3(C2xD8)64,118
C2.4(C2×D8) = C22⋊D8central stem extension (φ=1)16C2.4(C2xD8)64,128
C2.5(C2×D8) = C4⋊D8central stem extension (φ=1)32C2.5(C2xD8)64,140
C2.6(C2×D8) = C87D4central stem extension (φ=1)32C2.6(C2xD8)64,147
C2.7(C2×D8) = D4⋊Q8central stem extension (φ=1)32C2.7(C2xD8)64,155
C2.8(C2×D8) = C22.D8central stem extension (φ=1)32C2.8(C2xD8)64,161
C2.9(C2×D8) = C4.4D8central stem extension (φ=1)32C2.9(C2xD8)64,167
C2.10(C2×D8) = C84D4central stem extension (φ=1)32C2.10(C2xD8)64,174
C2.11(C2×D8) = C82Q8central stem extension (φ=1)64C2.11(C2xD8)64,181
C2.12(C2×D8) = C2×D16central stem extension (φ=1)32C2.12(C2xD8)64,186
C2.13(C2×D8) = C2×SD32central stem extension (φ=1)32C2.13(C2xD8)64,187
C2.14(C2×D8) = C2×Q32central stem extension (φ=1)64C2.14(C2xD8)64,188
C2.15(C2×D8) = C4○D16central stem extension (φ=1)322C2.15(C2xD8)64,189
C2.16(C2×D8) = C16⋊C22central stem extension (φ=1)164+C2.16(C2xD8)64,190
C2.17(C2×D8) = Q32⋊C2central stem extension (φ=1)324-C2.17(C2xD8)64,191

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