Finite Group Databasebeta

D5457 #24926333

order10914
automorphismAut(G) order 18510144
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD5457
unambiguous semidirect productC3⋊D1819
unambiguous semidirect productC17⋊D321
unambiguous semidirect productC107⋊D51

Splittings

Fitting, socle, derived, HallC3×C17×C107 ⋊ C2
HallC17×C107 ⋊ D3
HallC3×C107 ⋊ D17
SylowC107 ⋊ D51
HallC3×C17 ⋊ D107
SylowC17 ⋊ D321
SylowC3 ⋊ D1819

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C17×C107C2
LCSG ▷ C3×C17×C107
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 127
transitive degreeμt(G) = 5457

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

Polycyclic presentation:

2,3,17,107|b^a=b^2,c^a=c^16,d^a=d^106

Conjugacy classes & character table

2730 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD51×D107, D17×D321, D3×D1819, …
maximal normal subgroup ofD51×D107, D17×D321, D3×D1819, …
maximal quotient ofDic5457, C2×D5457, D16371, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(10914, 8);