Finite Group Databasebeta

D5565 #26013283

order11130
automorphismAut(G) order 13890240
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD5565
unambiguous semidirect productC3⋊D1855
unambiguous semidirect productC5⋊D1113
unambiguous semidirect productC7⋊D795
unambiguous semidirect productC53⋊D105

Splittings

Fitting, socle, derived, HallC3×C5×C7×C53 ⋊ C2
HallC5×C7×C53 ⋊ D3
HallC3×C7×C53 ⋊ D5
HallC3×C5×C53 ⋊ D7
HallC7×C53 ⋊ D15
HallC5×C53 ⋊ D21
HallC3×C53 ⋊ D35
HallC3×C5×C7 ⋊ D53
SylowC53 ⋊ D105
HallC5×C7 ⋊ D159
HallC3×C7 ⋊ D265
HallC3×C5 ⋊ D371
SylowC7 ⋊ D795
SylowC5 ⋊ D1113
SylowC3 ⋊ D1855

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C5×C7×C53C2
LCSG ▷ C3×C5×C7×C53
UCSC1

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 68
transitive degreeμt(G) = 5565

A minimal faithful permutation representation — 2 generators on 68 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);(2,3)(5,8)(6,7)(10,15)(11,14)(12,13)(17,68)(18,67)(19,66)(20,65)(21,64)(22,63)(23,62)(24,61)(25,60)(26,59)(27,58)(28,57)(29,56)(30,55)(31,54)(32,53)(33,52)(34,51)(35,50)(36,49)(37,48)(38,47)(39,46)(40,45)(41,44)(42,43)

Polycyclic presentation:

2,3,5,7,53|b^a=b^2,c^a=c^4,d^a=d^6,e^a=e^52

Conjugacy classes & character table

2784 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD53×D105, D7×D795, D15×D371, …
maximal normal subgroup ofD53×D105, D7×D795, D15×D371, …
maximal quotient ofDic5565, C2×D5565, D16695, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(11130, 17);