Extensions 1→N→G→Q→1 with N=C₂×Dic₂₁ and Q=C₂

Direct product G=N×Q with N=C₂×Dic₂₁ and Q=C₂

		d	ρ	Label	ID
C₂²×Dic₂₁		336		C2^2xDic21	336,202

Semidirect products G=N:Q with N=C₂×Dic₂₁ and Q=C₂

extension	φ:Q→Out N	d	ρ	Label	ID
(C₂×Dic₂₁)⋊₁C₂ = C₂.D₈₄	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	168		(C2xDic21):1C2	336,100
(C₂×Dic₂₁)⋊₂C₂ = C₄₂.₃₈D₄	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	168		(C2xDic21):2C2	336,105
(C₂×Dic₂₁)⋊₃C₂ = D₄⋊₂D₂₁	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	168	4-	(C2xDic21):3C2	336,199
(C₂×Dic₂₁)⋊₄C₂ = C₂×C₂₁⋊₇D₄	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	168		(C2xDic21):4C2	336,203
(C₂×Dic₂₁)⋊₅C₂ = D₁₄⋊Dic₃	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	168		(C2xDic21):5C2	336,42
(C₂×Dic₂₁)⋊₆C₂ = D₆⋊Dic₇	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	168		(C2xDic21):6C2	336,43
(C₂×Dic₂₁)⋊₇C₂ = C₂×Dic₃×D₇	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	168		(C2xDic21):7C2	336,151
(C₂×Dic₂₁)⋊₈C₂ = C₄₂.C₂³	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	168	4-	(C2xDic21):8C2	336,153
(C₂×Dic₂₁)⋊₉C₂ = C₂×S₃×Dic₇	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	168		(C2xDic21):9C2	336,154
(C₂×Dic₂₁)⋊₁₀C₂ = C₂×C₂₁⋊D₄	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	168		(C2xDic21):10C2	336,157
(C₂×Dic₂₁)⋊₁₁C₂ = C₂×C₄×D₂₁	φ: trivial image	168		(C2xDic21):11C2	336,195

Non-split extensions G=N.Q with N=C₂×Dic₂₁ and Q=C₂

extension	φ:Q→Out N	d	ρ	Label	ID
(C₂×Dic₂₁).₁C₂ = C₄₂.₄Q₈	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	336		(C2xDic21).1C2	336,98
(C₂×Dic₂₁).₂C₂ = C₈₄⋊C₄	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	336		(C2xDic21).2C2	336,99
(C₂×Dic₂₁).₃C₂ = C₂×Dic₄₂	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	336		(C2xDic21).3C2	336,194
(C₂×Dic₂₁).₄C₂ = Dic₃×Dic₇	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	336		(C2xDic21).4C2	336,41
(C₂×Dic₂₁).₅C₂ = C₄₂.Q₈	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	336		(C2xDic21).5C2	336,45
(C₂×Dic₂₁).₆C₂ = Dic₂₁⋊C₄	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	336		(C2xDic21).6C2	336,46
(C₂×Dic₂₁).₇C₂ = C₁₄.Dic₆	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	336		(C2xDic21).7C2	336,47
(C₂×Dic₂₁).₈C₂ = C₂×C₂₁⋊Q₈	φ: C₂/C₁ → C₂ ⊆ Out C₂×Dic₂₁	336		(C2xDic21).8C2	336,160
(C₂×Dic₂₁).₉C₂ = C₄×Dic₂₁	φ: trivial image	336		(C2xDic21).9C2	336,97

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