Extensions 1→N→G→Q→1 with N=C4 and Q=C6×C18

Direct product G=N×Q with N=C4 and Q=C6×C18

Semidirect products G=N:Q with N=C4 and Q=C6×C18
extensionφ:Q→Aut NdρLabelID
C4⋊(C6×C18) = D4×C3×C18φ: C6×C18/C3×C18C2 ⊆ Aut C4216C4:(C6xC18)432,403

Non-split extensions G=N.Q with N=C4 and Q=C6×C18
extensionφ:Q→Aut NdρLabelID
C4.1(C6×C18) = D8×C3×C9φ: C6×C18/C3×C18C2 ⊆ Aut C4216C4.1(C6xC18)432,215
C4.2(C6×C18) = SD16×C3×C9φ: C6×C18/C3×C18C2 ⊆ Aut C4216C4.2(C6xC18)432,218
C4.3(C6×C18) = Q16×C3×C9φ: C6×C18/C3×C18C2 ⊆ Aut C4432C4.3(C6xC18)432,221
C4.4(C6×C18) = Q8×C3×C18φ: C6×C18/C3×C18C2 ⊆ Aut C4432C4.4(C6xC18)432,406
C4.5(C6×C18) = M4(2)×C3×C9central extension (φ=1)216C4.5(C6xC18)432,212
C4.6(C6×C18) = C4○D4×C3×C9central extension (φ=1)216C4.6(C6xC18)432,409