Extensions 1→N→G→Q→1 with N=C9 and Q=Dic7

Direct product G=N×Q with N=C9 and Q=Dic7
dρLabelID
C9×Dic72522C9xDic7252,4

Semidirect products G=N:Q with N=C9 and Q=Dic7
extensionφ:Q→Aut NdρLabelID
C9⋊Dic7 = Dic63φ: Dic7/C14 → C2 ⊆ Aut C92522-C9:Dic7252,5


׿
×
⋊
ℤ
𝔽
○
≀
ℚ
◁