Extensions 1→N→G→Q→1 with N=C2 and Q=C4:D28

Direct product G=NxQ with N=C2 and Q=C4:D28
dρLabelID
C2xC4:D28224C2xC4:D28448,928


Non-split extensions G=N.Q with N=C2 and Q=C4:D28
extensionφ:Q→Aut NdρLabelID
C2.1(C4:D28) = C42:8Dic7central extension (φ=1)448C2.1(C4:D28)448,469
C2.2(C4:D28) = (C2xC4):6D28central extension (φ=1)224C2.2(C4:D28)448,473
C2.3(C4:D28) = (C2xC4):2D28central stem extension (φ=1)224C2.3(C4:D28)448,205
C2.4(C4:D28) = (C2xC4).22D28central stem extension (φ=1)224C2.4(C4:D28)448,211
C2.5(C4:D28) = C8:5D28central stem extension (φ=1)224C2.5(C4:D28)448,227
C2.6(C4:D28) = C28:4D8central stem extension (φ=1)224C2.6(C4:D28)448,229
C2.7(C4:D28) = C8.8D28central stem extension (φ=1)224C2.7(C4:D28)448,230
C2.8(C4:D28) = C28:4Q16central stem extension (φ=1)448C2.8(C4:D28)448,233
C2.9(C4:D28) = C8:D28central stem extension (φ=1)224C2.9(C4:D28)448,246
C2.10(C4:D28) = C8.D28central stem extension (φ=1)224C2.10(C4:D28)448,249

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