Finite Group Databasebeta

D275 #10587750

order550
isoclinismisoclinic class of D275
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD275
unambiguous semidirect productC11⋊D25
unambiguous semidirect productC25⋊D11

Splittings

Fitting, derived, HallC11×C25 ⋊ C2
SylowC25 ⋊ D11
SylowC11 ⋊ D25

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC11×C25C2
FrattiniC5D55
socleC5×C11D5
LCSG ▷ C11×C25
UCSC1

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 36
transitive degreeμt(G) = 275

A minimal faithful permutation representation — 2 generators on 36 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)(26,27,28,29,30,31,32,33,34,35,36);(2,25)(3,24)(4,23)(5,22)(6,21)(7,20)(8,19)(9,18)(10,17)(11,16)(12,15)(13,14)(27,36)(28,35)(29,34)(30,33)(31,32)

Polycyclic presentation:

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

Conjugacy classes & character table

139 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD11×D25, C2×D275, C3×D275, …
maximal normal subgroup ofD11×D25, C2×D275, C3×D275, …
maximal quotient ofDic275, C2×D275, C3×D275, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(550, 5);