Extensions 1→N→G→Q→1 with N=C12 and Q=C18

Direct product G=N×Q with N=C12 and Q=C18

Semidirect products G=N:Q with N=C12 and Q=C18
extensionφ:Q→Aut NdρLabelID
C121C18 = C9×D12φ: C18/C9C2 ⊆ Aut C12722C12:1C18216,48
C122C18 = S3×C36φ: C18/C9C2 ⊆ Aut C12722C12:2C18216,47
C123C18 = D4×C3×C9φ: C18/C9C2 ⊆ Aut C12108C12:3C18216,76

Non-split extensions G=N.Q with N=C12 and Q=C18
extensionφ:Q→Aut NdρLabelID
C12.1C18 = C9×Dic6φ: C18/C9C2 ⊆ Aut C12722C12.1C18216,44
C12.2C18 = C9×C3⋊C8φ: C18/C9C2 ⊆ Aut C12722C12.2C18216,13
C12.3C18 = D4×C27φ: C18/C9C2 ⊆ Aut C121082C12.3C18216,10
C12.4C18 = Q8×C27φ: C18/C9C2 ⊆ Aut C122162C12.4C18216,11
C12.5C18 = Q8×C3×C9φ: C18/C9C2 ⊆ Aut C12216C12.5C18216,79