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Extensions 1→N→G→Q→1 with N=C2 and Q=D20:8C4

Direct product G=NxQ with N=C2 and Q=D20:8C4
dρLabelID
C2xD20:8C4160C2xD20:8C4320,1175


Non-split extensions G=N.Q with N=C2 and Q=D20:8C4
extensionφ:Q→Aut NdρLabelID
C2.1(D20:8C4) = D10:2C42central extension (φ=1)160C2.1(D20:8C4)320,293
C2.2(D20:8C4) = D20:5C8central extension (φ=1)160C2.2(D20:8C4)320,461
C2.3(D20:8C4) = C4:C4xDic5central extension (φ=1)320C2.3(D20:8C4)320,602
C2.4(D20:8C4) = C4:Dic5:15C4central stem extension (φ=1)320C2.4(D20:8C4)320,281
C2.5(D20:8C4) = (C2xC4):9D20central stem extension (φ=1)160C2.5(D20:8C4)320,292
C2.6(D20:8C4) = C10.54(C4xD4)central stem extension (φ=1)160C2.6(D20:8C4)320,296
C2.7(D20:8C4) = D10:5M4(2)central stem extension (φ=1)160C2.7(D20:8C4)320,463
C2.8(D20:8C4) = C20:6M4(2)central stem extension (φ=1)160C2.8(D20:8C4)320,465
C2.9(D20:8C4) = Dic5:8SD16central stem extension (φ=1)160C2.9(D20:8C4)320,479
C2.10(D20:8C4) = Dic20:15C4central stem extension (φ=1)320C2.10(D20:8C4)320,480
C2.11(D20:8C4) = D40:15C4central stem extension (φ=1)160C2.11(D20:8C4)320,496
C2.12(D20:8C4) = D40:12C4central stem extension (φ=1)160C2.12(D20:8C4)320,499
C2.13(D20:8C4) = Dic5:5Q16central stem extension (φ=1)320C2.13(D20:8C4)320,500
C2.14(D20:8C4) = C40:21(C2xC4)central stem extension (φ=1)160C2.14(D20:8C4)320,516
C2.15(D20:8C4) = D40:16C4central stem extension (φ=1)804C2.15(D20:8C4)320,521
C2.16(D20:8C4) = D40:13C4central stem extension (φ=1)804C2.16(D20:8C4)320,522
C2.17(D20:8C4) = C20:4(C4:C4)central stem extension (φ=1)320C2.17(D20:8C4)320,600
C2.18(D20:8C4) = (C2xD20):22C4central stem extension (φ=1)160C2.18(D20:8C4)320,615
C2.19(D20:8C4) = D10:5(C4:C4)central stem extension (φ=1)160C2.19(D20:8C4)320,616
C2.20(D20:8C4) = C10.90(C4xD4)central stem extension (φ=1)160C2.20(D20:8C4)320,617

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