Finite Group Databasebeta

D1957 #16840944

order3914
automorphismAut(G) order 3593052
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD1957
unambiguous semidirect productC19⋊D103
unambiguous semidirect productC103⋊D19

Splittings

Fitting, socle, derived, HallC19×C103 ⋊ C2
SylowC103 ⋊ D19
SylowC19 ⋊ D103

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC19×C103C2
LCSG ▷ C19×C103
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 122
transitive degreeμt(G) = 1957

A minimal faithful permutation representation — 2 generators on 122 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);(2,19)(3,18)(4,17)(5,16)(6,15)(7,14)(8,13)(9,12)(10,11)(21,122)(22,121)(23,120)(24,119)(25,118)(26,117)(27,116)(28,115)(29,114)(30,113)(31,112)(32,111)(33,110)(34,109)(35,108)(36,107)(37,106)(38,105)(39,104)(40,103)(41,102)(42,101)(43,100)(44,99)(45,98)(46,97)(47,96)(48,95)(49,94)(50,93)(51,92)(52,91)(53,90)(54,89)(55,88)(56,87)(57,86)(58,85)(59,84)(60,83)(61,82)(62,81)(63,80)(64,79)(65,78)(66,77)(67,76)(68,75)(69,74)(70,73)(71,72)

Polycyclic presentation:

2,19,103|b^a=b^18,c^a=c^102

Conjugacy classes & character table

980 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC3×D1957, D5871, (C103⋊C3)⋊D19, …
maximal normal subgroup ofC3×D1957, (C103⋊C3)⋊D19, (C19⋊C3)⋊D103, …
maximal quotient ofC3×D1957, D5871, C5×D1957, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3914, 3);