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Extensions 1→N→G→Q→1 with N=C2 and Q=Q8.D4

Direct product G=N×Q with N=C2 and Q=Q8.D4
dρLabelID
C2×Q8.D464C2xQ8.D4128,1766


Non-split extensions G=N.Q with N=C2 and Q=Q8.D4
extensionφ:Q→Aut NdρLabelID
C2.1(Q8.D4) = C42.101D4central extension (φ=1)128C2.1(Q8.D4)128,537
C2.2(Q8.D4) = (C2×C4)⋊9Q16central extension (φ=1)128C2.2(Q8.D4)128,610
C2.3(Q8.D4) = (C2×SD16)⋊15C4central extension (φ=1)64C2.3(Q8.D4)128,612
C2.4(Q8.D4) = D4⋊C4⋊C4central extension (φ=1)64C2.4(Q8.D4)128,657
C2.5(Q8.D4) = C4.68(C4×D4)central extension (φ=1)128C2.5(Q8.D4)128,659
C2.6(Q8.D4) = C42.31Q8central extension (φ=1)128C2.6(Q8.D4)128,681
C2.7(Q8.D4) = C42.119D4central extension (φ=1)64C2.7(Q8.D4)128,715
C2.8(Q8.D4) = Q8.2SD16central stem extension (φ=1)64C2.8(Q8.D4)128,410
C2.9(Q8.D4) = Q8.3SD16central stem extension (φ=1)128C2.9(Q8.D4)128,412
C2.10(Q8.D4) = Q8.2D8central stem extension (φ=1)64C2.10(Q8.D4)128,414
C2.11(Q8.D4) = Q8.2Q16central stem extension (φ=1)128C2.11(Q8.D4)128,416
C2.12(Q8.D4) = C42.249C23central stem extension (φ=1)64C2.12(Q8.D4)128,430
C2.13(Q8.D4) = C42.251C23central stem extension (φ=1)128C2.13(Q8.D4)128,432
C2.14(Q8.D4) = C42.253C23central stem extension (φ=1)64C2.14(Q8.D4)128,434
C2.15(Q8.D4) = C42.255C23central stem extension (φ=1)128C2.15(Q8.D4)128,436
C2.16(Q8.D4) = (C2×C8).41D4central stem extension (φ=1)64C2.16(Q8.D4)128,747
C2.17(Q8.D4) = C4⋊C4.94D4central stem extension (φ=1)64C2.17(Q8.D4)128,774
C2.18(Q8.D4) = (C2×C4)⋊5SD16central stem extension (φ=1)64C2.18(Q8.D4)128,787
C2.19(Q8.D4) = (C2×C4)⋊3Q16central stem extension (φ=1)128C2.19(Q8.D4)128,788
C2.20(Q8.D4) = (C2×Q8).8Q8central stem extension (φ=1)128C2.20(Q8.D4)128,798
C2.21(Q8.D4) = (C2×C4).23D8central stem extension (φ=1)64C2.21(Q8.D4)128,799
C2.22(Q8.D4) = (C2×Q8).109D4central stem extension (φ=1)128C2.22(Q8.D4)128,806
C2.23(Q8.D4) = (C2×C8).24Q8central stem extension (φ=1)128C2.23(Q8.D4)128,817

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