Finite Group Databasebeta

D441 #11725059

order882
isoclinismisoclinic class of D441
automorphismAut(G) order 111132
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD441
unambiguous semidirect productC9⋊D49
unambiguous semidirect productC49⋊D9

Splittings

Fitting, derived, HallC9×C49 ⋊ C2
SylowC49 ⋊ D9
SylowC9 ⋊ D49

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C49C2
Frattini, socleC3×C7D21
LCSG ▷ C9×C49
UCSC1

18 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 58
transitive degreeμt(G) = 441

A minimal faithful permutation representation — 2 generators on 58 points:

(1,2,3,4,5,6,7,8,9)(10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58);(2,9)(3,8)(4,7)(5,6)(11,58)(12,57)(13,56)(14,55)(15,54)(16,53)(17,52)(18,51)(19,50)(20,49)(21,48)(22,47)(23,46)(24,45)(25,44)(26,43)(27,42)(28,41)(29,40)(30,39)(31,38)(32,37)(33,36)(34,35)

Polycyclic presentation:

2,3,7,3,7|b^3=d^2,c^7=e,b^a=b^2d,c^a=c^6e^6,d^a=d^2,e^a=e^6

Conjugacy classes & character table

222 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD9×D49, C2×D441, C5×D441, …
maximal normal subgroup ofD9×D49, C2×D441, C5×D441, …
maximal quotient ofDic441, C2×D441, C5×D441, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(882, 5);