Extensions 1→N→G→Q→1 with N=C18 and Q=Dic5

Direct product G=N×Q with N=C18 and Q=Dic5
dρLabelID
C18×Dic5360C18xDic5360,18

Semidirect products G=N:Q with N=C18 and Q=Dic5
extensionφ:Q→Aut NdρLabelID
C18⋊Dic5 = C2×Dic45φ: Dic5/C10C2 ⊆ Aut C18360C18:Dic5360,28

Non-split extensions G=N.Q with N=C18 and Q=Dic5
extensionφ:Q→Aut NdρLabelID
C18.Dic5 = C453C8φ: Dic5/C10C2 ⊆ Aut C183602C18.Dic5360,3
C18.2Dic5 = C9×C52C8central extension (φ=1)3602C18.2Dic5360,2

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