Finite Group Databasebeta

D15755 #44538514

order31510
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD15755
unambiguous semidirect productC5⋊D3151
unambiguous semidirect productC23⋊D685
unambiguous semidirect productC137⋊D115

Splittings

Fitting, socle, derived, HallC5×C23×C137 ⋊ C2
HallC23×C137 ⋊ D5
HallC5×C137 ⋊ D23
SylowC137 ⋊ D115
HallC5×C23 ⋊ D137
SylowC23 ⋊ D685
SylowC5 ⋊ D3151

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC5×C23×C137C2
LCSG ▷ C5×C23×C137
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 165
transitive degreeμt(G) = 15755

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

Polycyclic presentation:

2,5,23,137|b^a=b^4,c^a=c^22,d^a=d^136

Conjugacy classes & character table

7879 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×D15755
maximal normal subgroup ofC2×D15755
maximal quotient ofDic15755, C2×D15755

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31510, 8);