Extensions 1→N→G→Q→1 with N=D18 and Q=C10

Direct product G=NxQ with N=D18 and Q=C10
dρLabelID
D9xC2xC10180D9xC2xC10360,48

Semidirect products G=N:Q with N=D18 and Q=C10
extensionφ:Q→Out NdρLabelID
D18:1C10 = C5xD36φ: C10/C5C2 ⊆ Out D181802D18:1C10360,22
D18:2C10 = C5xC9:D4φ: C10/C5C2 ⊆ Out D181802D18:2C10360,24

Non-split extensions G=N.Q with N=D18 and Q=C10
extensionφ:Q→Out NdρLabelID
D18.C10 = D9xC20φ: trivial image1802D18.C10360,21

׿
x
:
Z
F
o
wr
Q
<