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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
2
:C
4
Direct product G=NxQ with N=
C
7
and Q=
C
4
2
:C
4
d
ρ
Label
ID
C
7
xC
4
2
:C
4
56
4
C7xC4^2:C4
448,157
Semidirect products G=N:Q with N=
C
7
and Q=
C
4
2
:C
4
extension
φ:Q→Aut N
d
ρ
Label
ID
C
7
:
1
(C
4
2
:C
4
) =
C
2
3
.
2
D
28
φ:
C
4
2
:C
4
/
C
2
3
:C
4
→
C
2
⊆ Aut
C
7
56
8+
C7:1(C4^2:C4)
448,31
C
7
:
2
(C
4
2
:C
4
) =
C
4
2
:
3
Dic
7
φ:
C
4
2
:C
4
/
C
4
:
1
D
4
→
C
2
⊆ Aut
C
7
56
4
C7:2(C4^2:C4)
448,102
x
:
Z
F
o
wr
Q
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