Extensions 1→N→G→Q→1 with N=D89 and Q=C2

Direct product G=N×Q with N=D89 and Q=C2
dρLabelID
D1781782+D178356,4


Non-split extensions G=N.Q with N=D89 and Q=C2
extensionφ:Q→Out NdρLabelID
D89.C2 = C89⋊C4φ: C2/C1C2 ⊆ Out D89894+D89.C2356,3

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