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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=
D
14
and Q=
C
9
Direct product G=N×Q with N=
D
14
and Q=
C
9
d
ρ
Label
ID
D
7
×C
18
126
2
D7xC18
252,12
Semidirect products G=N:Q with N=
D
14
and Q=
C
9
extension
φ:Q→Out N
d
ρ
Label
ID
D
14
⋊C
9
=
C
2
×C
7
⋊C
18
φ:
C
9
/
C
3
→
C
3
⊆ Out
D
14
126
6
D14:C9
252,7
×
⋊
ℤ
𝔽
○
≀
ℚ
◁