Extensions 1→N→G→Q→1 with N=C₇₇ and Q=C₄

Direct product G=NxQ with N=C₇₇ and Q=C₄

		d	ρ	Label	ID
C₃₀₈		308	1	C308	308,4

Semidirect products G=N:Q with N=C₇₇ and Q=C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₇₇:₁C₄ = Dic₇₇	φ: C₄/C₂ → C₂ ⊆ Aut C₇₇	308	2-	C77:1C4	308,3
C₇₇:₂C₄ = C₇xDic₁₁	φ: C₄/C₂ → C₂ ⊆ Aut C₇₇	308	2	C77:2C4	308,2
C₇₇:₃C₄ = C₁₁xDic₇	φ: C₄/C₂ → C₂ ⊆ Aut C₇₇	308	2	C77:3C4	308,1

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