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Extensions 1→N→G→Q→1 with N=C2 and Q=D4:D14

Direct product G=NxQ with N=C2 and Q=D4:D14
dρLabelID
C2xD4:D14112C2xD4:D14448,1273


Non-split extensions G=N.Q with N=C2 and Q=D4:D14
extensionφ:Q→Aut NdρLabelID
C2.1(D4:D14) = C28.(C2xQ8)central extension (φ=1)224C2.1(D4:D14)448,529
C2.2(D4:D14) = C4:C4:36D14central extension (φ=1)112C2.2(D4:D14)448,535
C2.3(D4:D14) = C42.48D14central extension (φ=1)224C2.3(D4:D14)448,548
C2.4(D4:D14) = C42.56D14central extension (φ=1)224C2.4(D4:D14)448,560
C2.5(D4:D14) = C4oD4:Dic7central extension (φ=1)224C2.5(D4:D14)448,766
C2.6(D4:D14) = C4:C4.236D14central stem extension (φ=1)224C2.6(D4:D14)448,537
C2.7(D4:D14) = C28.38SD16central stem extension (φ=1)224C2.7(D4:D14)448,542
C2.8(D4:D14) = C28:7D8central stem extension (φ=1)224C2.8(D4:D14)448,549
C2.9(D4:D14) = C28.23Q16central stem extension (φ=1)448C2.9(D4:D14)448,555
C2.10(D4:D14) = Q8:D28central stem extension (φ=1)224C2.10(D4:D14)448,561
C2.11(D4:D14) = C4:D4.D7central stem extension (φ=1)224C2.11(D4:D14)448,568
C2.12(D4:D14) = D28:16D4central stem extension (φ=1)112C2.12(D4:D14)448,570
C2.13(D4:D14) = C4:D4:D7central stem extension (φ=1)224C2.13(D4:D14)448,573
C2.14(D4:D14) = (C2xC14).Q16central stem extension (φ=1)224C2.14(D4:D14)448,578
C2.15(D4:D14) = D28.36D4central stem extension (φ=1)112C2.15(D4:D14)448,580
C2.16(D4:D14) = C7:C8:6D4central stem extension (φ=1)224C2.16(D4:D14)448,583
C2.17(D4:D14) = C42.62D14central stem extension (φ=1)224C2.17(D4:D14)448,589
C2.18(D4:D14) = D28.23D4central stem extension (φ=1)224C2.18(D4:D14)448,591
C2.19(D4:D14) = C42.64D14central stem extension (φ=1)224C2.19(D4:D14)448,592
C2.20(D4:D14) = C42.68D14central stem extension (φ=1)448C2.20(D4:D14)448,599
C2.21(D4:D14) = D28.4Q8central stem extension (φ=1)224C2.21(D4:D14)448,600
C2.22(D4:D14) = C42.70D14central stem extension (φ=1)224C2.22(D4:D14)448,601
C2.23(D4:D14) = (C7xD4):14D4central stem extension (φ=1)224C2.23(D4:D14)448,772

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