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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
19
⋊C
3
and Q=
C
3
Direct product G=N×Q with N=
C
19
⋊C
3
and Q=
C
3
d
ρ
Label
ID
C
3
×C
19
⋊C
3
57
3
C3xC19:C3
171,4
Non-split extensions G=N.Q with N=
C
19
⋊C
3
and Q=
C
3
extension
φ:Q→Out N
d
ρ
Label
ID
C
19
⋊C
3
.C
3
=
C
19
⋊C
9
φ:
C
3
/
C
1
→
C
3
⊆ Out
C
19
⋊C
3
19
9
C19:C3.C3
171,3
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○
≀
ℚ
◁