Finite Group Databasebeta

D1071 #14523876

order2142
isoclinismisoclinic class of D1071
automorphismAut(G) order 616896
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD1071
unambiguous semidirect productC7⋊D153
unambiguous semidirect productC9⋊D119
unambiguous semidirect productC17⋊D63

Splittings

Fitting, derived, HallC7×C9×C17 ⋊ C2
HallC9×C17 ⋊ D7
HallC7×C17 ⋊ D9
HallC7×C9 ⋊ D17
SylowC17 ⋊ D63
SylowC9 ⋊ D119
SylowC7 ⋊ D153

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC7×C9×C17C2
FrattiniC3D357
socleC3×C7×C17D3
LCSG ▷ C7×C9×C17
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 33
transitive degreeμt(G) = 1071

A minimal faithful permutation representation — 2 generators on 33 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);(2,9)(3,8)(4,7)(5,6)(11,16)(12,15)(13,14)(18,33)(19,32)(20,31)(21,30)(22,29)(23,28)(24,27)(25,26)

Polycyclic presentation:

2,3,7,17,3|b^3=e^2,b^a=b^2e,c^a=c^6,d^a=d^16,e^a=e^2

Conjugacy classes & character table

537 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD17×D63, D7×D153, D9×D119, …
maximal normal subgroup ofD17×D63, D7×D153, D9×D119, …
maximal quotient ofDic1071, C2×D1071, D7497, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2142, 12);