Extensions 1→N→G→Q→1 with N=C18 and Q=C9

Direct product G=N×Q with N=C18 and Q=C9
dρLabelID
C9×C18162C9xC18162,23

Semidirect products G=N:Q with N=C18 and Q=C9
extensionφ:Q→Aut NdρLabelID
C18⋊C9 = C2×C9⋊C9φ: C9/C3C3 ⊆ Aut C18162C18:C9162,25

Non-split extensions G=N.Q with N=C18 and Q=C9
extensionφ:Q→Aut NdρLabelID
C18.C9 = C2×C27⋊C3φ: C9/C3C3 ⊆ Aut C18543C18.C9162,27

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