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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
11
and Q=
Dic
9
Direct product G=N×Q with N=
C
11
and Q=
Dic
9
d
ρ
Label
ID
C
11
×Dic
9
396
2
C11xDic9
396,1
Semidirect products G=N:Q with N=
C
11
and Q=
Dic
9
extension
φ:Q→Aut N
d
ρ
Label
ID
C
11
⋊Dic
9
=
Dic
99
φ:
Dic
9
/
C
18
→
C
2
⊆ Aut
C
11
396
2-
C11:Dic9
396,3
×
⋊
ℤ
𝔽
○
≀
ℚ
◁