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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
27
and Q=
C
2
2
⋊C
4
Direct product G=N×Q with N=
C
27
and Q=
C
2
2
⋊C
4
d
ρ
Label
ID
C
2
2
⋊C
4
×C
27
216
C2^2:C4xC27
432,21
Semidirect products G=N:Q with N=
C
27
and Q=
C
2
2
⋊C
4
extension
φ:Q→Aut N
d
ρ
Label
ID
C
27
⋊
1
(C
2
2
⋊C
4
) =
D
54
⋊C
4
φ:
C
2
2
⋊C
4
/
C
2
×C
4
→
C
2
⊆ Aut
C
27
216
C27:1(C2^2:C4)
432,14
C
27
⋊
2
(C
2
2
⋊C
4
) =
C
54
.D
4
φ:
C
2
2
⋊C
4
/
C
2
3
→
C
2
⊆ Aut
C
27
216
C27:2(C2^2:C4)
432,19
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