Finite Group Databasebeta
Cayley diagram

D135 #63185

order270
isoclinismisoclinic class of D135
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD135
unambiguous semidirect productC5⋊D27
unambiguous semidirect productC27⋊D5

Splittings

Fitting, derived, HallC5×C27 ⋊ C2
SylowC27 ⋊ D5
SylowC5 ⋊ D27

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC5×C27C2
FrattiniC9D15
socleC3×C5D9
LCSG ▷ C5×C27
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 135

A minimal faithful permutation representation — 2 generators on 32 points:

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27)(28,29,30,31,32);(2,27)(3,26)(4,25)(5,24)(6,23)(7,22)(8,21)(9,20)(10,19)(11,18)(12,17)(13,16)(14,15)(29,32)(30,31)

Polycyclic presentation:

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

Conjugacy classes & character table

69 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD5×D27, C2×D135, D405, …
maximal normal subgroup ofD5×D27, C2×D135, C3×D135, …
maximal quotient ofDic135, C2×D135, D405, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(270, 3);