Finite Group Databasebeta

D5451 #24926300

order10902
automorphismAut(G) order 18707832
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD5451
unambiguous semidirect productC3⋊D1817
unambiguous semidirect productC23⋊D237
unambiguous semidirect productC79⋊D69

Splittings

Fitting, socle, derived, HallC3×C23×C79 ⋊ C2
HallC23×C79 ⋊ D3
HallC3×C79 ⋊ D23
SylowC79 ⋊ D69
HallC3×C23 ⋊ D79
SylowC23 ⋊ D237
SylowC3 ⋊ D1817

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C23×C79C2
LCSG ▷ C3×C23×C79
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 105
transitive degreeμt(G) = 5451

A minimal faithful permutation representation — 2 generators on 105 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);(2,3)(5,26)(6,25)(7,24)(8,23)(9,22)(10,21)(11,20)(12,19)(13,18)(14,17)(15,16)(28,105)(29,104)(30,103)(31,102)(32,101)(33,100)(34,99)(35,98)(36,97)(37,96)(38,95)(39,94)(40,93)(41,92)(42,91)(43,90)(44,89)(45,88)(46,87)(47,86)(48,85)(49,84)(50,83)(51,82)(52,81)(53,80)(54,79)(55,78)(56,77)(57,76)(58,75)(59,74)(60,73)(61,72)(62,71)(63,70)(64,69)(65,68)(66,67)

Polycyclic presentation:

2,3,23,79|b^a=b^2,c^a=c^22,d^a=d^78

Conjugacy classes & character table

2727 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD69×D79, D23×D237, D3×D1817, …
maximal normal subgroup ofD69×D79, D23×D237, D3×D1817, …
maximal quotient ofDic5451, C2×D5451, D16353, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(10902, 9);