Extensions 1→N→G→Q→1 with N=C₂ and Q=C₁₅×C₂²⋊C₄

Direct product G=N×Q with N=C₂ and Q=C₁₅×C₂²⋊C₄

		d	ρ	Label	ID
C₂²⋊C₄×C₃₀		240		C2^2:C4xC30	480,920

Non-split extensions G=N.Q with N=C₂ and Q=C₁₅×C₂²⋊C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₁₅×C₂²⋊C₄) = C₁₅×C₂.C₄²	central extension (φ=1)	480		C2.1(C15xC2^2:C4)	480,198
C₂.₂(C₁₅×C₂²⋊C₄) = C₁₅×C₂²⋊C₈	central extension (φ=1)	240		C2.2(C15xC2^2:C4)	480,201
C₂.₃(C₁₅×C₂²⋊C₄) = C₁₅×C₂³⋊C₄	central stem extension (φ=1)	120	4	C2.3(C15xC2^2:C4)	480,202
C₂.₄(C₁₅×C₂²⋊C₄) = C₁₅×C₄.D₄	central stem extension (φ=1)	120	4	C2.4(C15xC2^2:C4)	480,203
C₂.₅(C₁₅×C₂²⋊C₄) = C₁₅×C₄.₁₀D₄	central stem extension (φ=1)	240	4	C2.5(C15xC2^2:C4)	480,204
C₂.₆(C₁₅×C₂²⋊C₄) = C₁₅×D₄⋊C₄	central stem extension (φ=1)	240		C2.6(C15xC2^2:C4)	480,205
C₂.₇(C₁₅×C₂²⋊C₄) = C₁₅×Q₈⋊C₄	central stem extension (φ=1)	480		C2.7(C15xC2^2:C4)	480,206
C₂.₈(C₁₅×C₂²⋊C₄) = C₁₅×C₄≀C₂	central stem extension (φ=1)	120	2	C2.8(C15xC2^2:C4)	480,207

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