Extensions 1→N→G→Q→1 with N=C2 and Q=D82C4

Direct product G=N×Q with N=C2 and Q=D82C4
dρLabelID
C2×D82C432C2xD8:2C4128,876


Non-split extensions G=N.Q with N=C2 and Q=D82C4
extensionφ:Q→Aut NdρLabelID
C2.1(D82C4) = D8⋊C8central extension (φ=1)64C2.1(D8:2C4)128,65
C2.2(D82C4) = Q16⋊C8central extension (φ=1)128C2.2(D8:2C4)128,66
C2.3(D82C4) = C8.C42central extension (φ=1)32C2.3(D8:2C4)128,118
C2.4(D82C4) = C22.SD32central stem extension (φ=1)32C2.4(D8:2C4)128,79
C2.5(D82C4) = C23.32D8central stem extension (φ=1)32C2.5(D8:2C4)128,80
C2.6(D82C4) = C8.30D8central stem extension (φ=1)64C2.6(D8:2C4)128,92
C2.7(D82C4) = C8.16Q16central stem extension (φ=1)128C2.7(D8:2C4)128,95

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