Finite Group Databasebeta
Cayley diagram

D165 #66517

order330
isoclinismisoclinic class of D165
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD165
unambiguous semidirect productC3⋊D55
unambiguous semidirect productC5⋊D33
unambiguous semidirect productC11⋊D15

Splittings

Fitting, socle, derived, HallC3×C5×C11 ⋊ C2
HallC5×C11 ⋊ D3
HallC3×C11 ⋊ D5
HallC3×C5 ⋊ D11
SylowC11 ⋊ D15
SylowC5 ⋊ D33
SylowC3 ⋊ D55

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C5×C11C2
LCSG ▷ C3×C5×C11
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 19
transitive degreeμt(G) = 165

A minimal faithful permutation representation — 2 generators on 19 points:

(1,2,3)(4,5,6,7,8)(9,10,11,12,13,14,15,16,17,18,19);(2,3)(5,8)(6,7)(10,19)(11,18)(12,17)(13,16)(14,15)

Polycyclic presentation:

2,3,5,11|b^a=b^2,c^a=c^4,d^a=d^10

Conjugacy classes & character table

84 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD11×D15, D5×D33, D3×D55, …
maximal normal subgroup ofD11×D15, D5×D33, D3×D55, …
maximal quotient ofDic165, C2×D165, D495, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(330, 11);