Finite Group Databasebeta

D899 #14267804

order1798
isoclinismisoclinic class of D899
automorphismAut(G) order 755160
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD899
unambiguous semidirect productC29⋊D31
unambiguous semidirect productC31⋊D29

Splittings

Fitting, socle, derived, HallC29×C31 ⋊ C2
SylowC31 ⋊ D29
SylowC29 ⋊ D31

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC29×C31C2
LCSG ▷ C29×C31
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 60
transitive degreeμt(G) = 899

A minimal faithful permutation representation — 2 generators on 60 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)(30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60);(2,29)(3,28)(4,27)(5,26)(6,25)(7,24)(8,23)(9,22)(10,21)(11,20)(12,19)(13,18)(14,17)(15,16)(31,60)(32,59)(33,58)(34,57)(35,56)(36,55)(37,54)(38,53)(39,52)(40,51)(41,50)(42,49)(43,48)(44,47)(45,46)

Polycyclic presentation:

2,29,31|b^a=b^28,c^a=c^30

Conjugacy classes & character table

451 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD29×D31, C2×D899, C7×D899, …
maximal normal subgroup ofD29×D31, C2×D899, C7×D899, …
maximal quotient ofDic899, C2×D899, C7×D899, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1798, 3);