Extensions 1→N→G→Q→1 with N=C₇:C₁₂ and Q=C₄

Direct product G=NxQ with N=C₇:C₁₂ and Q=C₄

		d	ρ	Label	ID
C₄xC₇:C₁₂		112		C4xC7:C12	336,14

Semidirect products G=N:Q with N=C₇:C₁₂ and Q=C₄

extension	φ:Q→Out N	d	ρ	Label	ID
C₇:C₁₂:C₄ = Dic₇:C₁₂	φ: C₄/C₂ → C₂ ⊆ Out C₇:C₁₂	112		C7:C12:C4	336,15

Non-split extensions G=N.Q with N=C₇:C₁₂ and Q=C₄

extension	φ:Q→Out N	d	ρ	Label	ID
C₇:C₁₂.C₄ = C₈:F₇	φ: C₄/C₂ → C₂ ⊆ Out C₇:C₁₂	56	6	C7:C12.C4	336,8
C₇:C₁₂.₂C₄ = C₈xF₇	φ: trivial image	56	6	C7:C12.2C4	336,7

Extensions 1→N→G→Q→1 with N=C7:C12 and Q=C4