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

Direct product G=N×Q with N=C2 and Q=C2×C4.D4
dρLabelID
C22×C4.D432C2^2xC4.D4128,1617


Non-split extensions G=N.Q with N=C2 and Q=C2×C4.D4
extensionφ:Q→Aut NdρLabelID
C2.1(C2×C4.D4) = C2×C23⋊C8central extension (φ=1)32C2.1(C2xC4.D4)128,188
C2.2(C2×C4.D4) = C42.393D4central extension (φ=1)32C2.2(C2xC4.D4)128,192
C2.3(C2×C4.D4) = C2×C22.C42central extension (φ=1)64C2.3(C2xC4.D4)128,473
C2.4(C2×C4.D4) = C4×C4.D4central extension (φ=1)32C2.4(C2xC4.D4)128,487
C2.5(C2×C4.D4) = C25.3C4central stem extension (φ=1)16C2.5(C2xC4.D4)128,194
C2.6(C2×C4.D4) = C42.43D4central stem extension (φ=1)32C2.6(C2xC4.D4)128,198
C2.7(C2×C4.D4) = C42.395D4central stem extension (φ=1)32C2.7(C2xC4.D4)128,201
C2.8(C2×C4.D4) = C24.(C2×C4)central stem extension (φ=1)32C2.8(C2xC4.D4)128,203
C2.9(C2×C4.D4) = C2×C42.C22central stem extension (φ=1)64C2.9(C2xC4.D4)128,254
C2.10(C2×C4.D4) = C42.405D4central stem extension (φ=1)64C2.10(C2xC4.D4)128,257
C2.11(C2×C4.D4) = C42.407D4central stem extension (φ=1)32C2.11(C2xC4.D4)128,259
C2.12(C2×C4.D4) = C42.67D4central stem extension (φ=1)64C2.12(C2xC4.D4)128,262
C2.13(C2×C4.D4) = C42.70D4central stem extension (φ=1)32C2.13(C2xC4.D4)128,265
C2.14(C2×C4.D4) = C42.73D4central stem extension (φ=1)64C2.14(C2xC4.D4)128,268
C2.15(C2×C4.D4) = C2×C4.D8central stem extension (φ=1)64C2.15(C2xC4.D4)128,270
C2.16(C2×C4.D4) = C2×C4.6Q16central stem extension (φ=1)128C2.16(C2xC4.D4)128,273
C2.17(C2×C4.D4) = C42.411D4central stem extension (φ=1)64C2.17(C2xC4.D4)128,275
C2.18(C2×C4.D4) = C42.413D4central stem extension (φ=1)32C2.18(C2xC4.D4)128,277
C2.19(C2×C4.D4) = C42.415D4central stem extension (φ=1)64C2.19(C2xC4.D4)128,280
C2.20(C2×C4.D4) = C42.80D4central stem extension (φ=1)64C2.20(C2xC4.D4)128,283
C2.21(C2×C4.D4) = C42.82D4central stem extension (φ=1)32C2.21(C2xC4.D4)128,287
C2.22(C2×C4.D4) = C42.85D4central stem extension (φ=1)64C2.22(C2xC4.D4)128,290
C2.23(C2×C4.D4) = C42.87D4central stem extension (φ=1)64C2.23(C2xC4.D4)128,292
C2.24(C2×C4.D4) = C25.C4central stem extension (φ=1)16C2.24(C2xC4.D4)128,515
C2.25(C2×C4.D4) = C42.96D4central stem extension (φ=1)32C2.25(C2xC4.D4)128,532
C2.26(C2×C4.D4) = (C22×C4).275D4central stem extension (φ=1)32C2.26(C2xC4.D4)128,553
C2.27(C2×C4.D4) = M4(2)⋊20D4central stem extension (φ=1)32C2.27(C2xC4.D4)128,632
C2.28(C2×C4.D4) = M4(2)⋊12D4central stem extension (φ=1)32C2.28(C2xC4.D4)128,697
C2.29(C2×C4.D4) = M4(2)⋊8Q8central stem extension (φ=1)64C2.29(C2xC4.D4)128,729

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