Extensions 1→N→G→Q→1 with N=C9 and Q=C2×C20

Direct product G=N×Q with N=C9 and Q=C2×C20
dρLabelID
C2×C180360C2xC180360,30

Semidirect products G=N:Q with N=C9 and Q=C2×C20
extensionφ:Q→Aut NdρLabelID
C91(C2×C20) = D9×C20φ: C2×C20/C20C2 ⊆ Aut C91802C9:1(C2xC20)360,21
C92(C2×C20) = C10×Dic9φ: C2×C20/C2×C10C2 ⊆ Aut C9360C9:2(C2xC20)360,23


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