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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
3
and Q=
D
77
Direct product G=N×Q with N=
C
3
and Q=
D
77
d
ρ
Label
ID
C
3
×D
77
231
2
C3xD77
462,7
Semidirect products G=N:Q with N=
C
3
and Q=
D
77
extension
φ:Q→Aut N
d
ρ
Label
ID
C
3
⋊D
77
=
D
231
φ:
D
77
/
C
77
→
C
2
⊆ Aut
C
3
231
2+
C3:D77
462,11
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⋊
ℤ
𝔽
○
≀
ℚ
◁