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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
3
.He
3
and Q=
C
4
Direct product G=N×Q with N=
C
3
.He
3
and Q=
C
4
d
ρ
Label
ID
C
4
×C
3
.He
3
108
3
C4xC3.He3
324,34
Semidirect products G=N:Q with N=
C
3
.He
3
and Q=
C
4
extension
φ:Q→Out N
d
ρ
Label
ID
C
3
.He
3
⋊C
4
=
3
-
1+2
.Dic
3
φ:
C
4
/
C
2
→
C
2
⊆ Out
C
3
.He
3
108
6-
C3.He3:C4
324,25
×
⋊
ℤ
𝔽
○
≀
ℚ
◁