Finite Group Databasebeta

D5421 #24925701

order10842
automorphismAut(G) order 17954352
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD5421
unambiguous semidirect productC3⋊D1807
unambiguous semidirect productC13⋊D417
unambiguous semidirect productC139⋊D39

Splittings

Fitting, socle, derived, HallC3×C13×C139 ⋊ C2
HallC13×C139 ⋊ D3
HallC3×C139 ⋊ D13
SylowC139 ⋊ D39
HallC3×C13 ⋊ D139
SylowC13 ⋊ D417
SylowC3 ⋊ D1807

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C13×C139C2
LCSG ▷ C3×C13×C139
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 155
transitive degreeμt(G) = 5421

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

Polycyclic presentation:

2,3,13,139|b^a=b^2,c^a=c^12,d^a=d^138

Conjugacy classes & character table

2712 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD39×D139, D13×D417, D3×D1807, …
maximal normal subgroup ofD39×D139, D13×D417, D3×D1807, …
maximal quotient ofDic5421, C2×D5421, D16263, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(10842, 12);