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About
C
n
D
n
S
n
A
n
Degree
Linear
Irr Reps
Characters
x
:
.
o
wr
Extensions
1→N→G→Q→1 with N=
C
2
2
xC
4
and Q=
C
21
Direct product G=NxQ with N=
C
2
2
xC
4
and Q=
C
21
d
ρ
Label
ID
C
2
2
xC
84
336
C2^2xC84
336,204
Semidirect products G=N:Q with N=
C
2
2
xC
4
and Q=
C
21
extension
φ:Q→Aut N
d
ρ
Label
ID
(C
2
2
xC
4
):C
21
=
A
4
xC
28
φ:
C
21
/
C
7
→
C
3
⊆ Aut
C
2
2
xC
4
84
3
(C2^2xC4):C21
336,168
x
:
Z
F
o
wr
Q
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