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

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

		d	ρ	Label	ID
C₂²xD₅₇		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 = C₂xDic₅₇	central extension (φ=1)	456		C2^2.D57	456,37

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