Finite Group Databasebeta

D5895 #26044583

order11790
automorphismAut(G) order 18392400
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD5895
unambiguous semidirect productC5⋊D1179
unambiguous semidirect productC9⋊D655
unambiguous semidirect productC131⋊D45

Splittings

Fitting, derived, HallC5×C9×C131 ⋊ C2
HallC9×C131 ⋊ D5
HallC5×C131 ⋊ D9
SylowC131 ⋊ D45
HallC5×C9 ⋊ D131
SylowC9 ⋊ D655
SylowC5 ⋊ D1179

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC5×C9×C131C2
FrattiniC3D1965
socleC3×C5×C131D3
LCSG ▷ C5×C9×C131
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 145
transitive degreeμt(G) = 5895

A minimal faithful permutation representation — 2 generators on 145 points:

(1,2,3,4,5,6,7,8,9)(10,11,12,13,14)(15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145);(2,9)(3,8)(4,7)(5,6)(11,14)(12,13)(16,145)(17,144)(18,143)(19,142)(20,141)(21,140)(22,139)(23,138)(24,137)(25,136)(26,135)(27,134)(28,133)(29,132)(30,131)(31,130)(32,129)(33,128)(34,127)(35,126)(36,125)(37,124)(38,123)(39,122)(40,121)(41,120)(42,119)(43,118)(44,117)(45,116)(46,115)(47,114)(48,113)(49,112)(50,111)(51,110)(52,109)(53,108)(54,107)(55,106)(56,105)(57,104)(58,103)(59,102)(60,101)(61,100)(62,99)(63,98)(64,97)(65,96)(66,95)(67,94)(68,93)(69,92)(70,91)(71,90)(72,89)(73,88)(74,87)(75,86)(76,85)(77,84)(78,83)(79,82)(80,81)

Polycyclic presentation:

2,3,5,131,3|b^3=e^2,b^a=b^2e,c^a=c^4,d^a=d^130,e^a=e^2

Conjugacy classes & character table

2949 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD45×D131, D5×D1179, D9×D655, …
maximal normal subgroup ofD45×D131, D5×D1179, D9×D655, …
maximal quotient ofDic5895, C2×D5895, D17685, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(11790, 9);