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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=
PSU
3
(𝔽
2
)
Direct product G=N×Q with N=
C
2
and Q=
PSU
3
(𝔽
2
)
d
ρ
Label
ID
C
2
×PSU
3
(𝔽
2
)
18
8+
C2xPSU(3,2)
144,187
Non-split extensions G=N.Q with N=
C
2
and Q=
PSU
3
(𝔽
2
)
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.PSU
3
(𝔽
2
) =
C
2
.PSU
3
(𝔽
2
)
central extension (φ=1)
24
8+
C2.PSU(3,2)
144,120
×
⋊
ℤ
𝔽
○
≀
ℚ
◁