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C
n
D
n
S
n
A
n
Degree
Linear
Irr Reps
Characters
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⋊
.
○
≀
Extensions
1→N→G→Q→1 with N=
C
2
and Q=
C
7
⋊A
4
Direct product G=N×Q with N=
C
2
and Q=
C
7
⋊A
4
d
ρ
Label
ID
C
2
×C
7
⋊A
4
42
3
C2xC7:A4
168,53
Non-split extensions G=N.Q with N=
C
2
and Q=
C
7
⋊A
4
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.(C
7
⋊A
4
) =
C
14
.A
4
central stem extension (φ=1)
56
6
C2.(C7:A4)
168,23
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