Extensions 1→N→G→Q→1 with N=C2 and Q=D20:5S3

Direct product G=NxQ with N=C2 and Q=D20:5S3
dρLabelID
C2xD20:5S3240C2xD20:5S3480,1074


Non-split extensions G=N.Q with N=C2 and Q=D20:5S3
extensionφ:Q→Aut NdρLabelID
C2.1(D20:5S3) = (S3xC20):5C4central extension (φ=1)240C2.1(D20:5S3)480,414
C2.2(D20:5S3) = Dic30:14C4central extension (φ=1)480C2.2(D20:5S3)480,416
C2.3(D20:5S3) = (D5xDic3):C4central extension (φ=1)240C2.3(D20:5S3)480,469
C2.4(D20:5S3) = Dic3xD20central extension (φ=1)240C2.4(D20:5S3)480,501
C2.5(D20:5S3) = C15:17(C4xD4)central extension (φ=1)240C2.5(D20:5S3)480,517
C2.6(D20:5S3) = Dic15.2Q8central stem extension (φ=1)480C2.6(D20:5S3)480,415
C2.7(D20:5S3) = D6:C4.D5central stem extension (φ=1)240C2.7(D20:5S3)480,417
C2.8(D20:5S3) = (C2xC60).C22central stem extension (φ=1)240C2.8(D20:5S3)480,438
C2.9(D20:5S3) = (C4xDic3):D5central stem extension (φ=1)240C2.9(D20:5S3)480,439
C2.10(D20:5S3) = C60.44D4central stem extension (φ=1)240C2.10(D20:5S3)480,440
C2.11(D20:5S3) = C60.45D4central stem extension (φ=1)240C2.11(D20:5S3)480,441
C2.12(D20:5S3) = C60.6Q8central stem extension (φ=1)480C2.12(D20:5S3)480,457
C2.13(D20:5S3) = (C6xD5).D4central stem extension (φ=1)240C2.13(D20:5S3)480,483
C2.14(D20:5S3) = Dic15:D4central stem extension (φ=1)240C2.14(D20:5S3)480,484
C2.15(D20:5S3) = D10.17D12central stem extension (φ=1)240C2.15(D20:5S3)480,490
C2.16(D20:5S3) = D10:4Dic6central stem extension (φ=1)240C2.16(D20:5S3)480,507
C2.17(D20:5S3) = D10:C4:S3central stem extension (φ=1)240C2.17(D20:5S3)480,528
C2.18(D20:5S3) = C60:4D4central stem extension (φ=1)240C2.18(D20:5S3)480,532
C2.19(D20:5S3) = Dic15.10D4central stem extension (φ=1)240C2.19(D20:5S3)480,538

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