Finite Group Databasebeta

D10701 #36339083

order21402
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD10701
unambiguous semidirect productC9⋊D1189
unambiguous semidirect productC29⋊D369
unambiguous semidirect productC41⋊D261

Splittings

Fitting, derived, HallC9×C29×C41 ⋊ C2
HallC29×C41 ⋊ D9
HallC9×C41 ⋊ D29
HallC9×C29 ⋊ D41
SylowC41 ⋊ D261
SylowC29 ⋊ D369
SylowC9 ⋊ D1189

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C29×C41C2
FrattiniC3D3567
socleC3×C29×C41D3
LCSG ▷ C9×C29×C41
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 79
transitive degreeμt(G) = 10701

A minimal faithful permutation representation — 2 generators on 79 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);(2,9)(3,8)(4,7)(5,6)(11,38)(12,37)(13,36)(14,35)(15,34)(16,33)(17,32)(18,31)(19,30)(20,29)(21,28)(22,27)(23,26)(24,25)(40,79)(41,78)(42,77)(43,76)(44,75)(45,74)(46,73)(47,72)(48,71)(49,70)(50,69)(51,68)(52,67)(53,66)(54,65)(55,64)(56,63)(57,62)(58,61)(59,60)

Polycyclic presentation:

2,3,29,41,3|b^3=e^2,b^a=b^2e,c^a=c^28,d^a=d^40,e^a=e^2

Conjugacy classes & character table

5352 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD32103
maximal quotient ofD32103

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21402, 8);