Extensions 1→N→G→Q→1 with N=D18 and Q=C9

Direct product G=N×Q with N=D18 and Q=C9
dρLabelID
D9×C18362D9xC18324,61

Semidirect products G=N:Q with N=D18 and Q=C9
extensionφ:Q→Out NdρLabelID
D18⋊C9 = C2×C9⋊C18φ: C9/C3C3 ⊆ Out D18366D18:C9324,64


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