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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
2
and Q=
C
4
.F
7
Direct product G=NxQ with N=
C
2
and Q=
C
4
.F
7
d
ρ
Label
ID
C
2
xC
4
.F
7
112
C2xC4.F7
336,121
Non-split extensions G=N.Q with N=
C
2
and Q=
C
4
.F
7
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.
1
(C
4
.F
7
) =
Dic
7
:C
12
central extension (φ=1)
112
C2.1(C4.F7)
336,15
C
2
.
2
(C
4
.F
7
) =
C
28
:C
12
central extension (φ=1)
112
C2.2(C4.F7)
336,16
x
:
Z
F
o
wr
Q
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