Extensions 1→N→G→Q→1 with N=C8 and Q=Dic9

Direct product G=NxQ with N=C8 and Q=Dic9
dρLabelID
C8xDic9288C8xDic9288,21

Semidirect products G=N:Q with N=C8 and Q=Dic9
extensionφ:Q→Aut NdρLabelID
C8:1Dic9 = C72:1C4φ: Dic9/C18C2 ⊆ Aut C8288C8:1Dic9288,26
C8:2Dic9 = C8:Dic9φ: Dic9/C18C2 ⊆ Aut C8288C8:2Dic9288,25
C8:3Dic9 = C72:C4φ: Dic9/C18C2 ⊆ Aut C8288C8:3Dic9288,23

Non-split extensions G=N.Q with N=C8 and Q=Dic9
extensionφ:Q→Aut NdρLabelID
C8.1Dic9 = C72.C4φ: Dic9/C18C2 ⊆ Aut C81442C8.1Dic9288,20
C8.2Dic9 = C36.C8φ: Dic9/C18C2 ⊆ Aut C81442C8.2Dic9288,19
C8.3Dic9 = C9:C32central extension (φ=1)2882C8.3Dic9288,1
C8.4Dic9 = C2xC9:C16central extension (φ=1)288C8.4Dic9288,18

׿
x
:
Z
F
o
wr
Q
<