D30
Also called
(C5,C3) ⋊ C2
.
Statistics
Order of group
30
GAP identifier
30,3
Presentation
< k,r | k
15
, r
2
, (ab)
2
>
Orders of elements
1 of 1, 15 of 2, 2 of 3, 2*2 of 5, 4*2 of 15
Centre
1
Derived subgroup
C15
Automorphism group
Frob20×D6
Inner automorphism group
C6
"Out"
(quotient of above)
Frob(20)
Schur multiplier
1
Permutation Diagrams
Not transitive.
Not transitive.
1-transitive on 15
points, odd.
1-transitive on 15
points, odd.
1-transitive on 30
points, odd.
Cayley Graphs
Index to regular maps
Orientable
sphere
|
torus
|
2
|
3
|
4
|
5
|
6
Non-orientable
projective plane
|
4
|
5
|
6
|
7