Extensions 1→N→G→Q→1 with N=C9 and Q=D11

Direct product G=N×Q with N=C9 and Q=D11
dρLabelID
C9×D11992C9xD11198,2

Semidirect products G=N:Q with N=C9 and Q=D11
extensionφ:Q→Aut NdρLabelID
C9⋊D11 = D99φ: D11/C11C2 ⊆ Aut C9992+C9:D11198,3


׿
×
𝔽