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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
2
and Q=
S
3
×C
7
⋊C
3
Direct product G=N×Q with N=
C
2
and Q=
S
3
×C
7
⋊C
3
d
ρ
Label
ID
C
2
×S
3
×C
7
⋊C
3
42
6
C2xS3xC7:C3
252,29
Non-split extensions G=N.Q with N=
C
2
and Q=
S
3
×C
7
⋊C
3
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.(S
3
×C
7
⋊C
3
) =
Dic
3
×C
7
⋊C
3
central extension (φ=1)
84
6
C2.(S3xC7:C3)
252,17
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ℤ
𝔽
○
≀
ℚ
◁