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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
9
and Q=
D
26
Direct product G=N×Q with N=
C
9
and Q=
D
26
d
ρ
Label
ID
C
18
×D
13
234
2
C18xD13
468,15
Semidirect products G=N:Q with N=
C
9
and Q=
D
26
extension
φ:Q→Aut N
d
ρ
Label
ID
C
9
⋊
1
D
26
=
D
9
×D
13
φ:
D
26
/
D
13
→
C
2
⊆ Aut
C
9
117
4+
C9:1D26
468,11
C
9
⋊
2
D
26
=
D
234
φ:
D
26
/
C
26
→
C
2
⊆ Aut
C
9
234
2+
C9:2D26
468,17
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