Finite Group Databasebeta

D15543 #44527262

order31086
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD15543
unambiguous semidirect productC9⋊D1727
unambiguous semidirect productC11⋊D1413
unambiguous semidirect productC157⋊D99

Splittings

Fitting, derived, HallC9×C11×C157 ⋊ C2
HallC11×C157 ⋊ D9
HallC9×C157 ⋊ D11
SylowC157 ⋊ D99
HallC9×C11 ⋊ D157
SylowC11 ⋊ D1413
SylowC9 ⋊ D1727

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C11×C157C2
FrattiniC3D5181
socleC3×C11×C157D3
LCSG ▷ C9×C11×C157
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 177
transitive degreeμt(G) = 15543

A minimal faithful permutation representation — 2 generators on 177 points:

(1,2,3,4,5,6,7,8,9)(10,11,12,13,14,15,16,17,18,19,20)(21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177);(2,9)(3,8)(4,7)(5,6)(11,20)(12,19)(13,18)(14,17)(15,16)(22,177)(23,176)(24,175)(25,174)(26,173)(27,172)(28,171)(29,170)(30,169)(31,168)(32,167)(33,166)(34,165)(35,164)(36,163)(37,162)(38,161)(39,160)(40,159)(41,158)(42,157)(43,156)(44,155)(45,154)(46,153)(47,152)(48,151)(49,150)(50,149)(51,148)(52,147)(53,146)(54,145)(55,144)(56,143)(57,142)(58,141)(59,140)(60,139)(61,138)(62,137)(63,136)(64,135)(65,134)(66,133)(67,132)(68,131)(69,130)(70,129)(71,128)(72,127)(73,126)(74,125)(75,124)(76,123)(77,122)(78,121)(79,120)(80,119)(81,118)(82,117)(83,116)(84,115)(85,114)(86,113)(87,112)(88,111)(89,110)(90,109)(91,108)(92,107)(93,106)(94,105)(95,104)(96,103)(97,102)(98,101)(99,100)

Polycyclic presentation:

2,3,11,157,3|b^3=e^2,b^a=b^2e,c^a=c^10,d^a=d^156,e^a=e^2

Conjugacy classes & character table

7773 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×D15543
maximal normal subgroup ofC2×D15543
maximal quotient ofDic15543, C2×D15543

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31086, 9);