Extensions 1→N→G→Q→1 with N=C7 and Q=Dic9

Direct product G=N×Q with N=C7 and Q=Dic9
dρLabelID
C7×Dic92522C7xDic9252,3

Semidirect products G=N:Q with N=C7 and Q=Dic9
extensionφ:Q→Aut NdρLabelID
C7⋊Dic9 = Dic63φ: Dic9/C18C2 ⊆ Aut C72522-C7:Dic9252,5


׿
×
𝔽