Extensions 1→N→G→Q→1 with N=C₂² and Q=D₅₇

Direct product G=N×Q with N=C₂² and Q=D₅₇

		d	ρ	Label	ID
C₂²×D₅₇		228		C2^2xD57	456,53

Semidirect products G=N:Q with N=C₂² and Q=D₅₇

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂²⋊D₅₇ = C₁₉⋊S₄	φ: D₅₇/C₁₉ → S₃ ⊆ Aut C₂²	76	6+	C2^2:D57	456,43
C₂²⋊₂D₅₇ = C₅₇⋊₇D₄	φ: D₅₇/C₅₇ → C₂ ⊆ Aut C₂²	228	2	C2^2:2D57	456,38

Non-split extensions G=N.Q with N=C₂² and Q=D₅₇

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂².D₅₇ = C₂×Dic₅₇	central extension (φ=1)	456		C2^2.D57	456,37

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Extensions 1→N→G→Q→1 with N=C22 and Q=D57