Finite Group Databasebeta

D725 #13089693

order1450
isoclinismisoclinic class of D725
automorphismAut(G) order 406000
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD725
unambiguous semidirect productC25⋊D29
unambiguous semidirect productC29⋊D25

Splittings

Fitting, derived, HallC25×C29 ⋊ C2
SylowC29 ⋊ D25
SylowC25 ⋊ D29

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC25×C29C2
FrattiniC5D145
socleC5×C29D5
LCSG ▷ C25×C29
UCSC1

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 54
transitive degreeμt(G) = 725

A minimal faithful permutation representation — 2 generators on 54 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)(26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54);(2,25)(3,24)(4,23)(5,22)(6,21)(7,20)(8,19)(9,18)(10,17)(11,16)(12,15)(13,14)(27,54)(28,53)(29,52)(30,51)(31,50)(32,49)(33,48)(34,47)(35,46)(36,45)(37,44)(38,43)(39,42)(40,41)

Polycyclic presentation:

2,5,29,5|b^5=d^4,b^a=b^4d,c^a=c^28,d^a=d^4

Conjugacy classes & character table

364 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#15668502, #15668503, D25×D29, …
maximal normal subgroup of#15668502, #15668503, D25×D29, …
maximal quotient ofDic725, C2×D725, C3×D725, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1450, 3);