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Extensions 1→N→G→Q→1 with N=C2 and Q=D7xC4:C4

Direct product G=NxQ with N=C2 and Q=D7xC4:C4
dρLabelID
C2xD7xC4:C4224C2xD7xC4:C4448,954


Non-split extensions G=N.Q with N=C2 and Q=D7xC4:C4
extensionφ:Q→Aut NdρLabelID
C2.1(D7xC4:C4) = Dic7:C42central extension (φ=1)448C2.1(D7xC4:C4)448,183
C2.2(D7xC4:C4) = D7xC2.C42central extension (φ=1)224C2.2(D7xC4:C4)448,197
C2.3(D7xC4:C4) = D7xC4:C8central extension (φ=1)224C2.3(D7xC4:C4)448,366
C2.4(D7xC4:C4) = C4:C4xDic7central extension (φ=1)448C2.4(D7xC4:C4)448,509
C2.5(D7xC4:C4) = C14.(C4xQ8)central stem extension (φ=1)448C2.5(D7xC4:C4)448,181
C2.6(D7xC4:C4) = C7:(C42:8C4)central stem extension (φ=1)448C2.6(D7xC4:C4)448,184
C2.7(D7xC4:C4) = D14:(C4:C4)central stem extension (φ=1)224C2.7(D7xC4:C4)448,201
C2.8(D7xC4:C4) = D14:C4:C4central stem extension (φ=1)224C2.8(D7xC4:C4)448,202
C2.9(D7xC4:C4) = C28:M4(2)central stem extension (φ=1)224C2.9(D7xC4:C4)448,371
C2.10(D7xC4:C4) = C42.30D14central stem extension (φ=1)224C2.10(D7xC4:C4)448,373
C2.11(D7xC4:C4) = D7xC4.Q8central stem extension (φ=1)224C2.11(D7xC4:C4)448,393
C2.12(D7xC4:C4) = (C8xD7):C4central stem extension (φ=1)224C2.12(D7xC4:C4)448,394
C2.13(D7xC4:C4) = C8:(C4xD7)central stem extension (φ=1)224C2.13(D7xC4:C4)448,395
C2.14(D7xC4:C4) = D7xC2.D8central stem extension (φ=1)224C2.14(D7xC4:C4)448,413
C2.15(D7xC4:C4) = C8.27(C4xD7)central stem extension (φ=1)224C2.15(D7xC4:C4)448,414
C2.16(D7xC4:C4) = C56:(C2xC4)central stem extension (φ=1)224C2.16(D7xC4:C4)448,415
C2.17(D7xC4:C4) = D7xC8.C4central stem extension (φ=1)1124C2.17(D7xC4:C4)448,426
C2.18(D7xC4:C4) = M4(2).25D14central stem extension (φ=1)1124C2.18(D7xC4:C4)448,427
C2.19(D7xC4:C4) = Dic7:(C4:C4)central stem extension (φ=1)448C2.19(D7xC4:C4)448,506
C2.20(D7xC4:C4) = (C4xDic7):8C4central stem extension (φ=1)448C2.20(D7xC4:C4)448,510
C2.21(D7xC4:C4) = C4:(D14:C4)central stem extension (φ=1)224C2.21(D7xC4:C4)448,521
C2.22(D7xC4:C4) = D14:C4:6C4central stem extension (φ=1)224C2.22(D7xC4:C4)448,523

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