Extensions 1→N→G→Q→1 with N=C2 and Q=C8:4D4

Direct product G=NxQ with N=C2 and Q=C8:4D4
dρLabelID
C2xC8:4D464C2xC8:4D4128,1876


Non-split extensions G=N.Q with N=C2 and Q=C8:4D4
extensionφ:Q→Aut NdρLabelID
C2.1(C8:4D4) = C42.59Q8central extension (φ=1)128C2.1(C8:4D4)128,577
C2.2(C8:4D4) = C42.432D4central extension (φ=1)64C2.2(C8:4D4)128,689
C2.3(C8:4D4) = (C2xC4):6D8central extension (φ=1)64C2.3(C8:4D4)128,702
C2.4(C8:4D4) = C8:5D8central stem extension (φ=1)64C2.4(C8:4D4)128,438
C2.5(C8:4D4) = C82:5C2central stem extension (φ=1)64C2.5(C8:4D4)128,441
C2.6(C8:4D4) = C8:4D8central stem extension (φ=1)64C2.6(C8:4D4)128,444
C2.7(C8:4D4) = C8:4Q16central stem extension (φ=1)128C2.7(C8:4D4)128,445
C2.8(C8:4D4) = C8:3D8central stem extension (φ=1)64C2.8(C8:4D4)128,453
C2.9(C8:4D4) = C8.2D8central stem extension (φ=1)64C2.9(C8:4D4)128,454
C2.10(C8:4D4) = (C2xC4):2D8central stem extension (φ=1)64C2.10(C8:4D4)128,743
C2.11(C8:4D4) = (C2xC4).27D8central stem extension (φ=1)64C2.11(C8:4D4)128,825
C2.12(C8:4D4) = C4:D16central stem extension (φ=1)64C2.12(C8:4D4)128,978
C2.13(C8:4D4) = C4:Q32central stem extension (φ=1)128C2.13(C8:4D4)128,979
C2.14(C8:4D4) = C16:5D4central stem extension (φ=1)64C2.14(C8:4D4)128,980
C2.15(C8:4D4) = C8.21D8central stem extension (φ=1)64C2.15(C8:4D4)128,981
C2.16(C8:4D4) = C16:3D4central stem extension (φ=1)64C2.16(C8:4D4)128,982
C2.17(C8:4D4) = C8.7D8central stem extension (φ=1)64C2.17(C8:4D4)128,983

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