Finite Group Databasebeta

D5775 #26040455

order11550
automorphismAut(G) order 13860000
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD5775
unambiguous semidirect productC3⋊D1925
unambiguous semidirect productC7⋊D825
unambiguous semidirect productC11⋊D525
unambiguous semidirect productC25⋊D231

Splittings

Fitting, derived, HallC3×C7×C11×C25 ⋊ C2
HallC7×C11×C25 ⋊ D3
HallC3×C11×C25 ⋊ D7
HallC3×C7×C25 ⋊ D11
HallC11×C25 ⋊ D21
HallC3×C7×C11 ⋊ D25
HallC7×C25 ⋊ D33
HallC7×C11 ⋊ D75
HallC3×C25 ⋊ D77
HallC3×C11 ⋊ D175
SylowC25 ⋊ D231
HallC3×C7 ⋊ D275
SylowC11 ⋊ D525
SylowC7 ⋊ D825
SylowC3 ⋊ D1925

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC3×C7×C11×C25C2
FrattiniC5D1155
socleC3×C5×C7×C11D5
LCSG ▷ C3×C7×C11×C25
UCSC1

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 46
transitive degreeμt(G) = 5775

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

Polycyclic presentation:

2,3,5,7,11,5|c^5=f^4,b^a=b^2,c^a=c^4f,d^a=d^6,e^a=e^10,f^a=f^4

Conjugacy classes & character table

2889 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD11×D525, D7×D825, D75×D77, …
maximal normal subgroup ofD11×D525, D7×D825, D75×D77, …
maximal quotient ofDic5775, C2×D5775, D17325, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(11550, 19);