Finite Group Databasebeta

D1881 #16836772

order3762
automorphismAut(G) order 2031480
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD1881
unambiguous semidirect productC9⋊D209
unambiguous semidirect productC11⋊D171
unambiguous semidirect productC19⋊D99

Splittings

Fitting, derived, HallC9×C11×C19 ⋊ C2
HallC11×C19 ⋊ D9
HallC9×C19 ⋊ D11
HallC9×C11 ⋊ D19
SylowC19 ⋊ D99
SylowC11 ⋊ D171
SylowC9 ⋊ D209

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C11×C19C2
FrattiniC3D627
socleC3×C11×C19D3
LCSG ▷ C9×C11×C19
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 39
transitive degreeμt(G) = 1881

A minimal faithful permutation representation — 2 generators on 39 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);(2,9)(3,8)(4,7)(5,6)(11,20)(12,19)(13,18)(14,17)(15,16)(22,39)(23,38)(24,37)(25,36)(26,35)(27,34)(28,33)(29,32)(30,31)

Polycyclic presentation:

2,3,11,19,3|b^3=e^2,b^a=b^2e,c^a=c^10,d^a=d^18,e^a=e^2

Conjugacy classes & character table

942 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC5×D1881, D9405, C9⋊(C19⋊AGL(1,𝔽11)), …
maximal normal subgroup ofC5×D1881, C9⋊(C19⋊AGL(1,𝔽11)), C7×D1881
maximal quotient ofC5×D1881, D9405, C7×D1881, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3762, 12);