Extensions 1→N→G→Q→1 with N=C₅₇ and Q=D₄

Direct product G=NxQ with N=C₅₇ and Q=D₄

		d	ρ	Label	ID
D₄xC₅₇		228	2	D4xC57	456,40

Semidirect products G=N:Q with N=C₅₇ and Q=D₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₅₇:₁D₄ = C₅₇:D₄	φ: D₄/C₂ → C₂² ⊆ Aut C₅₇	228	4-	C57:1D4	456,15
C₅₇:₂D₄ = C₃:D₇₆	φ: D₄/C₂ → C₂² ⊆ Aut C₅₇	228	4+	C57:2D4	456,16
C₅₇:₃D₄ = C₁₉:D₁₂	φ: D₄/C₂ → C₂² ⊆ Aut C₅₇	228	4+	C57:3D4	456,17
C₅₇:₄D₄ = D₂₂₈	φ: D₄/C₄ → C₂ ⊆ Aut C₅₇	228	2+	C57:4D4	456,36
C₅₇:₅D₄ = C₃xD₇₆	φ: D₄/C₄ → C₂ ⊆ Aut C₅₇	228	2	C57:5D4	456,26
C₅₇:₆D₄ = C₁₉xD₁₂	φ: D₄/C₄ → C₂ ⊆ Aut C₅₇	228	2	C57:6D4	456,31
C₅₇:₇D₄ = C₅₇:₇D₄	φ: D₄/C₂² → C₂ ⊆ Aut C₅₇	228	2	C57:7D4	456,38
C₅₇:₈D₄ = C₃xC₁₉:D₄	φ: D₄/C₂² → C₂ ⊆ Aut C₅₇	228	2	C57:8D4	456,28
C₅₇:₉D₄ = C₁₉xC₃:D₄	φ: D₄/C₂² → C₂ ⊆ Aut C₅₇	228	2	C57:9D4	456,33

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