Extensions 1→N→G→Q→1 with N=C₇₄ and Q=C₄

Direct product G=N×Q with N=C₇₄ and Q=C₄

		d	ρ	Label	ID
C₂×C₁₄₈		296		C2xC148	296,9

Semidirect products G=N:Q with N=C₇₄ and Q=C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₇₄⋊C₄ = C₂×C₃₇⋊C₄	φ: C₄/C₁ → C₄ ⊆ Aut C₇₄	74	4+	C74:C4	296,12
C₇₄⋊₂C₄ = C₂×Dic₃₇	φ: C₄/C₂ → C₂ ⊆ Aut C₇₄	296		C74:2C4	296,7

Non-split extensions G=N.Q with N=C₇₄ and Q=C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₇₄.C₄ = C₃₇⋊C₈	φ: C₄/C₁ → C₄ ⊆ Aut C₇₄	296	4-	C74.C4	296,3
C₇₄.₂C₄ = C₃₇⋊₂C₈	φ: C₄/C₂ → C₂ ⊆ Aut C₇₄	296	2	C74.2C4	296,1

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Extensions 1→N→G→Q→1 with N=C74 and Q=C4