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Extensions 1→N→G→Q→1 with N=C2 and Q=C22:D20

Direct product G=NxQ with N=C2 and Q=C22:D20
dρLabelID
C2xC22:D2080C2xC2^2:D20320,1159


Non-split extensions G=N.Q with N=C2 and Q=C22:D20
extensionφ:Q→Aut NdρLabelID
C2.1(C22:D20) = (C2xC4):9D20central extension (φ=1)160C2.1(C2^2:D20)320,292
C2.2(C22:D20) = D10:3(C4:C4)central extension (φ=1)160C2.2(C2^2:D20)320,295
C2.3(C22:D20) = C24.47D10central extension (φ=1)160C2.3(C2^2:D20)320,577
C2.4(C22:D20) = C24.48D10central extension (φ=1)80C2.4(C2^2:D20)320,582
C2.5(C22:D20) = C23.45D20central extension (φ=1)160C2.5(C2^2:D20)320,585
C2.6(C22:D20) = (C2xDic5):Q8central stem extension (φ=1)320C2.6(C2^2:D20)320,283
C2.7(C22:D20) = (C2xC20):5D4central stem extension (φ=1)160C2.7(C2^2:D20)320,298
C2.8(C22:D20) = (C2xDic5):3D4central stem extension (φ=1)160C2.8(C2^2:D20)320,299
C2.9(C22:D20) = (C2xC4).20D20central stem extension (φ=1)160C2.9(C2^2:D20)320,300
C2.10(C22:D20) = D20.31D4central stem extension (φ=1)80C2.10(C2^2:D20)320,358
C2.11(C22:D20) = D20:13D4central stem extension (φ=1)80C2.11(C2^2:D20)320,359
C2.12(C22:D20) = D20.32D4central stem extension (φ=1)160C2.12(C2^2:D20)320,360
C2.13(C22:D20) = D20:14D4central stem extension (φ=1)160C2.13(C2^2:D20)320,361
C2.14(C22:D20) = Dic10:14D4central stem extension (φ=1)160C2.14(C2^2:D20)320,365
C2.15(C22:D20) = C22:Dic20central stem extension (φ=1)160C2.15(C2^2:D20)320,366
C2.16(C22:D20) = C23:D20central stem extension (φ=1)408+C2.16(C2^2:D20)320,368
C2.17(C22:D20) = C23.5D20central stem extension (φ=1)808-C2.17(C2^2:D20)320,369
C2.18(C22:D20) = D20.1D4central stem extension (φ=1)808-C2.18(C2^2:D20)320,373
C2.19(C22:D20) = D20:1D4central stem extension (φ=1)408+C2.19(C2^2:D20)320,374
C2.20(C22:D20) = D20.4D4central stem extension (φ=1)808-C2.20(C2^2:D20)320,379
C2.21(C22:D20) = D20.5D4central stem extension (φ=1)808+C2.21(C2^2:D20)320,380
C2.22(C22:D20) = D4:D20central stem extension (φ=1)80C2.22(C2^2:D20)320,400
C2.23(C22:D20) = D20.8D4central stem extension (φ=1)80C2.23(C2^2:D20)320,403
C2.24(C22:D20) = D4:3D20central stem extension (φ=1)160C2.24(C2^2:D20)320,408
C2.25(C22:D20) = D4.D20central stem extension (φ=1)160C2.25(C2^2:D20)320,410
C2.26(C22:D20) = Q8:2D20central stem extension (φ=1)160C2.26(C2^2:D20)320,433
C2.27(C22:D20) = D10:4Q16central stem extension (φ=1)160C2.27(C2^2:D20)320,435
C2.28(C22:D20) = Q8.D20central stem extension (φ=1)160C2.28(C2^2:D20)320,437
C2.29(C22:D20) = D20:4D4central stem extension (φ=1)160C2.29(C2^2:D20)320,438
C2.30(C22:D20) = D4:4D20central stem extension (φ=1)404+C2.30(C2^2:D20)320,449
C2.31(C22:D20) = M4(2):D10central stem extension (φ=1)804C2.31(C2^2:D20)320,452
C2.32(C22:D20) = D4.9D20central stem extension (φ=1)804-C2.32(C2^2:D20)320,453
C2.33(C22:D20) = D4.10D20central stem extension (φ=1)804C2.33(C2^2:D20)320,454
C2.34(C22:D20) = C23:2D20central stem extension (φ=1)160C2.34(C2^2:D20)320,587
C2.35(C22:D20) = C24.16D10central stem extension (φ=1)160C2.35(C2^2:D20)320,588

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