Finite Group Databasebeta

D15621 #44530365

order31242
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD15621
unambiguous semidirect productC3⋊D5207
unambiguous semidirect productC41⋊D381
unambiguous semidirect productC127⋊D123

Splittings

Fitting, socle, derived, HallC3×C41×C127 ⋊ C2
HallC41×C127 ⋊ D3
HallC3×C127 ⋊ D41
SylowC127 ⋊ D123
HallC3×C41 ⋊ D127
SylowC41 ⋊ D381
SylowC3 ⋊ D5207

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C41×C127C2
LCSG ▷ C3×C41×C127
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 171
transitive degreeμt(G) = 15621

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

Polycyclic presentation:

2,3,41,127|b^a=b^2,c^a=c^40,d^a=d^126

Conjugacy classes & character table

7812 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×D15621
maximal normal subgroup ofC2×D15621
maximal quotient ofDic15621, C2×D15621

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31242, 9);