Extensions 1→N→G→Q→1 with N=C₂ and Q=C₁₅:₈M₄(2)

Direct product G=NxQ with N=C₂ and Q=C₁₅:₈M₄(2)

		d	ρ	Label	ID
C₂xC₁₅:₈M₄(2)		240		C2xC15:8M4(2)	480,1071

Non-split extensions G=N.Q with N=C₂ and Q=C₁₅:₈M₄(2)

extension	φ:Q→Aut N	d	Label	ID
C₂.₁(C₁₅:₈M₄(2)) = C₃₀.₁₁C₄²	central extension (φ=1)	480	C2.1(C15:8M4(2))	480,307
C₂.₂(C₁₅:₈M₄(2)) = Dic₅.₁₃D₁₂	central extension (φ=1)	480	C2.2(C15:8M4(2))	480,309
C₂.₃(C₁₅:₈M₄(2)) = C₃₀.₂₂M₄(2)	central extension (φ=1)	240	C2.3(C15:8M4(2))	480,317

Extensions 1→N→G→Q→1 with N=C2 and Q=C15:8M4(2)