Extensions 1→N→G→Q→1 with N=Dic₂₁ and Q=C₂²

Direct product G=N×Q with N=Dic₂₁ and Q=C₂²

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

Semidirect products G=N:Q with N=Dic₂₁ and Q=C₂²

extension	φ:Q→Out N	d	ρ	Label	ID
Dic₂₁⋊₁C₂² = D₇×C₃⋊D₄	φ: C₂²/C₁ → C₂² ⊆ Out Dic₂₁	84	4	Dic21:1C2^2	336,161
Dic₂₁⋊₂C₂² = S₃×C₇⋊D₄	φ: C₂²/C₁ → C₂² ⊆ Out Dic₂₁	84	4	Dic21:2C2^2	336,162
Dic₂₁⋊₃C₂² = D₄×D₂₁	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	84	4+	Dic21:3C2^2	336,198
Dic₂₁⋊₄C₂² = C₂×C₂₁⋊₇D₄	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	168		Dic21:4C2^2	336,203
Dic₂₁⋊₅C₂² = C₄×S₃×D₇	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	84	4	Dic21:5C2^2	336,147
Dic₂₁⋊₆C₂² = C₂₈⋊D₆	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	84	4	Dic21:6C2^2	336,150
Dic₂₁⋊₇C₂² = C₂×Dic₃×D₇	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	168		Dic21:7C2^2	336,151
Dic₂₁⋊₈C₂² = C₂×S₃×Dic₇	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	168		Dic21:8C2^2	336,154
Dic₂₁⋊₉C₂² = C₂×C₂₁⋊D₄	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	168		Dic21:9C2^2	336,157
Dic₂₁⋊₁₀C₂² = C₂×C₄×D₂₁	φ: trivial image	168		Dic21:10C2^2	336,195

Non-split extensions G=N.Q with N=Dic₂₁ and Q=C₂²

extension	φ:Q→Out N	d	ρ	Label	ID
Dic₂₁.₁C₂² = D₇×Dic₆	φ: C₂²/C₁ → C₂² ⊆ Out Dic₂₁	168	4-	Dic21.1C2^2	336,137
Dic₂₁.₂C₂² = D₂₈⋊₅S₃	φ: C₂²/C₁ → C₂² ⊆ Out Dic₂₁	168	4-	Dic21.2C2^2	336,138
Dic₂₁.₃C₂² = S₃×Dic₁₄	φ: C₂²/C₁ → C₂² ⊆ Out Dic₂₁	168	4-	Dic21.3C2^2	336,140
Dic₂₁.₄C₂² = D₁₂⋊₅D₇	φ: C₂²/C₁ → C₂² ⊆ Out Dic₂₁	168	4-	Dic21.4C2^2	336,145
Dic₂₁.₅C₂² = Dic₇.D₆	φ: C₂²/C₁ → C₂² ⊆ Out Dic₂₁	168	4	Dic21.5C2^2	336,152
Dic₂₁.₆C₂² = Dic₃.D₁₄	φ: C₂²/C₁ → C₂² ⊆ Out Dic₂₁	168	4	Dic21.6C2^2	336,155
Dic₂₁.₇C₂² = C₂×Dic₄₂	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	336		Dic21.7C2^2	336,194
Dic₂₁.₈C₂² = D₈₄⋊₁₁C₂	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	168	2	Dic21.8C2^2	336,197
Dic₂₁.₉C₂² = Q₈×D₂₁	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	168	4-	Dic21.9C2^2	336,200
Dic₂₁.₁₀C₂² = D₂₈⋊S₃	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	168	4	Dic21.10C2^2	336,139
Dic₂₁.₁₁C₂² = D₁₂⋊D₇	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	168	4	Dic21.11C2^2	336,141
Dic₂₁.₁₂C₂² = D₂₁⋊Q₈	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	168	4	Dic21.12C2^2	336,143
Dic₂₁.₁₃C₂² = D₆.D₁₄	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	168	4	Dic21.13C2^2	336,144
Dic₂₁.₁₄C₂² = C₄₂.C₂³	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	168	4-	Dic21.14C2^2	336,153
Dic₂₁.₁₅C₂² = C₂×C₂₁⋊Q₈	φ: C₂²/C₂ → C₂ ⊆ Out Dic₂₁	336		Dic21.15C2^2	336,160
Dic₂₁.₁₆C₂² = D₄⋊₂D₂₁	φ: trivial image	168	4-	Dic21.16C2^2	336,199
Dic₂₁.₁₇C₂² = Q₈⋊₃D₂₁	φ: trivial image	168	4+	Dic21.17C2^2	336,201

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