Finite Group Databasebeta

D8109 #30633953

order16218
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD8109
unambiguous semidirect productC9⋊D901
unambiguous semidirect productC17⋊D477
unambiguous semidirect productC53⋊D153

Splittings

Fitting, derived, HallC9×C17×C53 ⋊ C2
HallC17×C53 ⋊ D9
HallC9×C53 ⋊ D17
HallC9×C17 ⋊ D53
SylowC53 ⋊ D153
SylowC17 ⋊ D477
SylowC9 ⋊ D901

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C17×C53C2
FrattiniC3D2703
socleC3×C17×C53D3
LCSG ▷ C9×C17×C53
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 79
transitive degreeμt(G) = 8109

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)(11,26)(12,25)(13,24)(14,23)(15,22)(16,21)(17,20)(18,19)(28,79)(29,78)(30,77)(31,76)(32,75)(33,74)(34,73)(35,72)(36,71)(37,70)(38,69)(39,68)(40,67)(41,66)(42,65)(43,64)(44,63)(45,62)(46,61)(47,60)(48,59)(49,58)(50,57)(51,56)(52,55)(53,54)

Polycyclic presentation:

2,3,17,53,3|b^3=e^2,b^a=b^2e,c^a=c^16,d^a=d^52,e^a=e^2

Conjugacy classes & character table

4056 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD53×D153, D17×D477, D9×D901, …
maximal normal subgroup ofD53×D153, D17×D477, D9×D901, …
maximal quotient ofDic8109, C2×D8109, D24327

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16218, 8);