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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
2
and Q=
C
2
Direct product G=N×Q with N=
C
11
2
and Q=
C
2
d
ρ
Label
ID
C
11
×C
22
242
C11xC22
242,5
Semidirect products G=N:Q with N=
C
11
2
and Q=
C
2
extension
φ:Q→Aut N
d
ρ
Label
ID
C
11
2
⋊
1
C
2
=
C
11
×D
11
φ:
C
2
/
C
1
→
C
2
⊆ Aut
C
11
2
22
2
C11^2:1C2
242,3
C
11
2
⋊
2
C
2
=
C
11
⋊D
11
φ:
C
2
/
C
1
→
C
2
⊆ Aut
C
11
2
121
C11^2:2C2
242,4
×
⋊
ℤ
𝔽
○
≀
ℚ
◁