Extensions 1→N→G→Q→1 with N=Dic₉ and Q=C₂²

Direct product G=N×Q with N=Dic₉ and Q=C₂²

		d	ρ	Label	ID
C₂²×Dic₉		144		C2^2xDic9	144,45

Semidirect products G=N:Q with N=Dic₉ and Q=C₂²

extension	φ:Q→Out N	d	ρ	Label	ID
Dic₉⋊₁C₂² = D₄×D₉	φ: C₂²/C₂ → C₂ ⊆ Out Dic₉	36	4+	Dic9:1C2^2	144,41
Dic₉⋊₂C₂² = C₂×C₉⋊D₄	φ: C₂²/C₂ → C₂ ⊆ Out Dic₉	72		Dic9:2C2^2	144,46
Dic₉⋊₃C₂² = C₂×C₄×D₉	φ: trivial image	72		Dic9:3C2^2	144,38

Non-split extensions G=N.Q with N=Dic₉ and Q=C₂²

extension	φ:Q→Out N	d	ρ	Label	ID
Dic₉.₁C₂² = C₂×Dic₁₈	φ: C₂²/C₂ → C₂ ⊆ Out Dic₉	144		Dic9.1C2^2	144,37
Dic₉.₂C₂² = D₃₆⋊₅C₂	φ: C₂²/C₂ → C₂ ⊆ Out Dic₉	72	2	Dic9.2C2^2	144,40
Dic₉.₃C₂² = D₄⋊₂D₉	φ: C₂²/C₂ → C₂ ⊆ Out Dic₉	72	4-	Dic9.3C2^2	144,42
Dic₉.₄C₂² = Q₈×D₉	φ: C₂²/C₂ → C₂ ⊆ Out Dic₉	72	4-	Dic9.4C2^2	144,43
Dic₉.₅C₂² = Q₈⋊₃D₉	φ: trivial image	72	4+	Dic9.5C2^2	144,44

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