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C
n
D
n
S
n
A
n
Degree
Linear
Irr Reps
Characters
×
⋊
.
○
≀
Extensions
1→N→G→Q→1 with N=
C
7
and Q=
C
4
3
Direct product G=N×Q with N=
C
7
and Q=
C
4
3
d
ρ
Label
ID
C
4
2
×C
28
448
C4^2xC28
448,782
Semidirect products G=N:Q with N=
C
7
and Q=
C
4
3
extension
φ:Q→Aut N
d
ρ
Label
ID
C
7
⋊C
4
3
=
C
4
2
×Dic
7
φ:
C
4
3
/
C
2
×C
4
2
→
C
2
⊆ Aut
C
7
448
C7:C4^3
448,464
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ℚ
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