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

Direct product G=NxQ with N=C22 and Q=Dic21
dρLabelID
C22xDic21336C2^2xDic21336,202

Semidirect products G=N:Q with N=C22 and Q=Dic21
extensionφ:Q→Aut NdρLabelID
C22:Dic21 = A4:Dic7φ: Dic21/C14S3 ⊆ Aut C22846-C2^2:Dic21336,120
C22:2Dic21 = C42.38D4φ: Dic21/C42C2 ⊆ Aut C22168C2^2:2Dic21336,105

Non-split extensions G=N.Q with N=C22 and Q=Dic21
extensionφ:Q→Aut NdρLabelID
C22.Dic21 = C84.C4φ: Dic21/C42C2 ⊆ Aut C221682C2^2.Dic21336,96
C22.2Dic21 = C2xC21:C8central extension (φ=1)336C2^2.2Dic21336,95

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