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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
11
Direct product G=N×Q with N=
C
9
and Q=
D
11
d
ρ
Label
ID
C
9
×D
11
99
2
C9xD11
198,2
Semidirect products G=N:Q with N=
C
9
and Q=
D
11
extension
φ:Q→Aut N
d
ρ
Label
ID
C
9
⋊D
11
=
D
99
φ:
D
11
/
C
11
→
C
2
⊆ Aut
C
9
99
2+
C9:D11
198,3
×
⋊
ℤ
𝔽
○
≀
ℚ
◁