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C
n
D
n
S
n
A
n
Degree
Linear
Irr Reps
Characters
×
⋊
.
○
≀
Extensions
1→N→G→Q→1 with N=
C
9
and Q=
D
22
Direct product G=N×Q with N=
C
9
and Q=
D
22
d
ρ
Label
ID
C
18
×D
11
198
2
C18xD11
396,7
Semidirect products G=N:Q with N=
C
9
and Q=
D
22
extension
φ:Q→Aut N
d
ρ
Label
ID
C
9
⋊
1
D
22
=
D
9
×D
11
φ:
D
22
/
D
11
→
C
2
⊆ Aut
C
9
99
4+
C9:1D22
396,5
C
9
⋊
2
D
22
=
D
198
φ:
D
22
/
C
22
→
C
2
⊆ Aut
C
9
198
2+
C9:2D22
396,9
×
⋊
ℤ
𝔽
○
≀
ℚ
◁