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Extensions 1→N→G→Q→1 with N=C18 and Q=C3:S3

Direct product G=NxQ with N=C18 and Q=C3:S3
dρLabelID
C18xC3:S3108C18xC3:S3324,143

Semidirect products G=N:Q with N=C18 and Q=C3:S3
extensionφ:Q→Aut NdρLabelID
C18:(C3:S3) = C2xC32:4D9φ: C3:S3/C32 → C2 ⊆ Aut C18162C18:(C3:S3)324,149

Non-split extensions G=N.Q with N=C18 and Q=C3:S3
extensionφ:Q→Aut NdρLabelID
C18.1(C3:S3) = C27:Dic3φ: C3:S3/C32 → C2 ⊆ Aut C18324C18.1(C3:S3)324,21
C18.2(C3:S3) = C2xC27:S3φ: C3:S3/C32 → C2 ⊆ Aut C18162C18.2(C3:S3)324,76
C18.3(C3:S3) = C32:5Dic9φ: C3:S3/C32 → C2 ⊆ Aut C18324C18.3(C3:S3)324,103
C18.4(C3:S3) = C9xC3:Dic3central extension (φ=1)108C18.4(C3:S3)324,97
C18.5(C3:S3) = He3.5C12central extension (φ=1)1083C18.5(C3:S3)324,102
C18.6(C3:S3) = C2xHe3.4C6central extension (φ=1)543C18.6(C3:S3)324,148

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