Extensions 1→N→G→Q→1 with N=C2 and Q=D4.7D4

Direct product G=N×Q with N=C2 and Q=D4.7D4
dρLabelID
C2×D4.7D464C2xD4.7D4128,1733


Non-split extensions G=N.Q with N=C2 and Q=D4.7D4
extensionφ:Q→Aut NdρLabelID
C2.1(D4.7D4) = C24.65D4central extension (φ=1)64C2.1(D4.7D4)128,520
C2.2(D4.7D4) = C24.71D4central extension (φ=1)64C2.2(D4.7D4)128,586
C2.3(D4.7D4) = C2.(C4×D8)central extension (φ=1)64C2.3(D4.7D4)128,594
C2.4(D4.7D4) = Q8⋊C4⋊C4central extension (φ=1)128C2.4(D4.7D4)128,597
C2.5(D4.7D4) = C24.73D4central extension (φ=1)64C2.5(D4.7D4)128,605
C2.6(D4.7D4) = (C2×SD16)⋊14C4central extension (φ=1)64C2.6(D4.7D4)128,609
C2.7(D4.7D4) = (C2×C4)⋊9Q16central extension (φ=1)128C2.7(D4.7D4)128,610
C2.8(D4.7D4) = C4⋊C4.6D4central stem extension (φ=1)32C2.8(D4.7D4)128,335
C2.9(D4.7D4) = C24.12D4central stem extension (φ=1)32C2.9(D4.7D4)128,338
C2.10(D4.7D4) = C4⋊C4.18D4central stem extension (φ=1)32C2.10(D4.7D4)128,347
C2.11(D4.7D4) = C24.18D4central stem extension (φ=1)32C2.11(D4.7D4)128,350
C2.12(D4.7D4) = C42.191C23central stem extension (φ=1)64C2.12(D4.7D4)128,362
C2.13(D4.7D4) = Q82SD16central stem extension (φ=1)64C2.13(D4.7D4)128,363
C2.14(D4.7D4) = D4⋊Q16central stem extension (φ=1)64C2.14(D4.7D4)128,364
C2.15(D4.7D4) = C42.195C23central stem extension (φ=1)64C2.15(D4.7D4)128,366
C2.16(D4.7D4) = D4.SD16central stem extension (φ=1)64C2.16(D4.7D4)128,367
C2.17(D4.7D4) = Q8.Q16central stem extension (φ=1)128C2.17(D4.7D4)128,368
C2.18(D4.7D4) = C42.199C23central stem extension (φ=1)64C2.18(D4.7D4)128,370
C2.19(D4.7D4) = C42.201C23central stem extension (φ=1)64C2.19(D4.7D4)128,372
C2.20(D4.7D4) = Q8.D8central stem extension (φ=1)64C2.20(D4.7D4)128,373
C2.21(D4.7D4) = D4.5SD16central stem extension (φ=1)64C2.21(D4.7D4)128,375
C2.22(D4.7D4) = C42.207C23central stem extension (φ=1)64C2.22(D4.7D4)128,378
C2.23(D4.7D4) = D4.7D8central stem extension (φ=1)64C2.23(D4.7D4)128,379
C2.24(D4.7D4) = C42.211C23central stem extension (φ=1)64C2.24(D4.7D4)128,382
C2.25(D4.7D4) = C42.213C23central stem extension (φ=1)64C2.25(D4.7D4)128,384
C2.26(D4.7D4) = Q8.SD16central stem extension (φ=1)128C2.26(D4.7D4)128,385
C2.27(D4.7D4) = C233SD16central stem extension (φ=1)64C2.27(D4.7D4)128,732
C2.28(D4.7D4) = C232Q16central stem extension (φ=1)64C2.28(D4.7D4)128,733
C2.29(D4.7D4) = (C2×C8).41D4central stem extension (φ=1)64C2.29(D4.7D4)128,747
C2.30(D4.7D4) = C4⋊C4.85D4central stem extension (φ=1)128C2.30(D4.7D4)128,758
C2.31(D4.7D4) = C24.83D4central stem extension (φ=1)64C2.31(D4.7D4)128,765
C2.32(D4.7D4) = C24.85D4central stem extension (φ=1)64C2.32(D4.7D4)128,767
C2.33(D4.7D4) = C4⋊C4.94D4central stem extension (φ=1)64C2.33(D4.7D4)128,774
C2.34(D4.7D4) = C2.(C8⋊Q8)central stem extension (φ=1)128C2.34(D4.7D4)128,791

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