Extensions 1→N→G→Q→1 with N=C₂ and Q=D₇₇

Direct product G=N×Q with N=C₂ and Q=D₇₇

		d	ρ	Label	ID
D₁₅₄		154	2+	D154	308,8

Non-split extensions G=N.Q with N=C₂ and Q=D₇₇

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.D₇₇ = Dic₇₇	central extension (φ=1)	308	2-	C2.D77	308,3

⋊

ℤ

𝔽

○

≀

ℚ

◁

Extensions 1→N→G→Q→1 with N=C2 and Q=D77