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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
7
and Q=
C
4
.D
8
Direct product G=NxQ with N=
C
7
and Q=
C
4
.D
8
d
ρ
Label
ID
C
7
xC
4
.D
8
224
C7xC4.D8
448,135
Semidirect products G=N:Q with N=
C
7
and Q=
C
4
.D
8
extension
φ:Q→Aut N
d
ρ
Label
ID
C
7
:
1
(C
4
.D
8
) =
C
4
.D
56
φ:
C
4
.D
8
/
C
4
:C
8
→
C
2
⊆ Aut
C
7
224
C7:1(C4.D8)
448,42
C
7
:
2
(C
4
.D
8
) =
C
28
.
9
D
8
φ:
C
4
.D
8
/
C
4
:
1
D
4
→
C
2
⊆ Aut
C
7
224
C7:2(C4.D8)
448,101
x
:
Z
F
o
wr
Q
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