Finite Group Databasebeta

D9951 #34091141

order19902
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD9951
unambiguous semidirect productC3⋊D3317
unambiguous semidirect productC31⋊D321
unambiguous semidirect productC107⋊D93

Splittings

Fitting, socle, derived, HallC3×C31×C107 ⋊ C2
HallC31×C107 ⋊ D3
HallC3×C107 ⋊ D31
SylowC107 ⋊ D93
HallC3×C31 ⋊ D107
SylowC31 ⋊ D321
SylowC3 ⋊ D3317

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C31×C107C2
LCSG ▷ C3×C31×C107
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 141
transitive degreeμt(G) = 9951

A minimal faithful permutation representation — 2 generators on 141 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);(2,3)(5,34)(6,33)(7,32)(8,31)(9,30)(10,29)(11,28)(12,27)(13,26)(14,25)(15,24)(16,23)(17,22)(18,21)(19,20)(36,141)(37,140)(38,139)(39,138)(40,137)(41,136)(42,135)(43,134)(44,133)(45,132)(46,131)(47,130)(48,129)(49,128)(50,127)(51,126)(52,125)(53,124)(54,123)(55,122)(56,121)(57,120)(58,119)(59,118)(60,117)(61,116)(62,115)(63,114)(64,113)(65,112)(66,111)(67,110)(68,109)(69,108)(70,107)(71,106)(72,105)(73,104)(74,103)(75,102)(76,101)(77,100)(78,99)(79,98)(80,97)(81,96)(82,95)(83,94)(84,93)(85,92)(86,91)(87,90)(88,89)

Polycyclic presentation:

2,3,31,107|b^a=b^2,c^a=c^30,d^a=d^106

Conjugacy classes & character table

4977 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD29853
maximal quotient ofD29853

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19902, 9);