Extensions 1→N→G→Q→1 with N=C4 and Q=Dic11

Direct product G=NxQ with N=C4 and Q=Dic11
dρLabelID
C4xDic11176C4xDic11176,10

Semidirect products G=N:Q with N=C4 and Q=Dic11
extensionφ:Q→Aut NdρLabelID
C4:Dic11 = C44:C4φ: Dic11/C22C2 ⊆ Aut C4176C4:Dic11176,12

Non-split extensions G=N.Q with N=C4 and Q=Dic11
extensionφ:Q→Aut NdρLabelID
C4.Dic11 = C44.C4φ: Dic11/C22C2 ⊆ Aut C4882C4.Dic11176,9
C4.2Dic11 = C11:C16central extension (φ=1)1762C4.2Dic11176,1
C4.3Dic11 = C2xC11:C8central extension (φ=1)176C4.3Dic11176,8

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