Go
Home
About
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=
C
9
×D
5
Direct product G=N×Q with N=
C
2
and Q=
C
9
×D
5
d
ρ
Label
ID
D
5
×C
18
90
2
D5xC18
180,9
Non-split extensions G=N.Q with N=
C
2
and Q=
C
9
×D
5
extension
φ:Q→Aut N
d
ρ
Label
ID
C
2
.(C
9
×D
5
) =
C
9
×Dic
5
central extension (φ=1)
180
2
C2.(C9xD5)
180,2
×
⋊
ℤ
𝔽
○
≀
ℚ
◁