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Extensions 1→N→G→Q→1 with N=C2 and Q=C2×D4

Direct product G=N×Q with N=C2 and Q=C2×D4
dρLabelID
C22×D416C2^2xD432,46


Non-split extensions G=N.Q with N=C2 and Q=C2×D4
extensionφ:Q→Aut NdρLabelID
C2.1(C2×D4) = C2×C22⋊C4central extension (φ=1)16C2.1(C2xD4)32,22
C2.2(C2×D4) = C2×C4⋊C4central extension (φ=1)32C2.2(C2xD4)32,23
C2.3(C2×D4) = C4×D4central extension (φ=1)16C2.3(C2xD4)32,25
C2.4(C2×D4) = C22≀C2central stem extension (φ=1)8C2.4(C2xD4)32,27
C2.5(C2×D4) = C4⋊D4central stem extension (φ=1)16C2.5(C2xD4)32,28
C2.6(C2×D4) = C22⋊Q8central stem extension (φ=1)16C2.6(C2xD4)32,29
C2.7(C2×D4) = C22.D4central stem extension (φ=1)16C2.7(C2xD4)32,30
C2.8(C2×D4) = C4.4D4central stem extension (φ=1)16C2.8(C2xD4)32,31
C2.9(C2×D4) = C4⋊1D4central stem extension (φ=1)16C2.9(C2xD4)32,34
C2.10(C2×D4) = C4⋊Q8central stem extension (φ=1)32C2.10(C2xD4)32,35
C2.11(C2×D4) = C2×D8central stem extension (φ=1)16C2.11(C2xD4)32,39
C2.12(C2×D4) = C2×SD16central stem extension (φ=1)16C2.12(C2xD4)32,40
C2.13(C2×D4) = C2×Q16central stem extension (φ=1)32C2.13(C2xD4)32,41
C2.14(C2×D4) = C4○D8central stem extension (φ=1)162C2.14(C2xD4)32,42
C2.15(C2×D4) = C8⋊C22central stem extension (φ=1)84+C2.15(C2xD4)32,43
C2.16(C2×D4) = C8.C22central stem extension (φ=1)164-C2.16(C2xD4)32,44

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