Finite Group Databasebeta

D9065 #31827407

order18130
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD9065
unambiguous semidirect productC5⋊D1813
unambiguous semidirect productC37⋊D245
unambiguous semidirect productC49⋊D185

Splittings

Fitting, derived, HallC5×C37×C49 ⋊ C2
HallC37×C49 ⋊ D5
HallC5×C49 ⋊ D37
HallC5×C37 ⋊ D49
SylowC49 ⋊ D185
SylowC37 ⋊ D245
SylowC5 ⋊ D1813

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC5×C37×C49C2
FrattiniC7D1295
socleC5×C7×C37D7
LCSG ▷ C5×C37×C49
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 91
transitive degreeμt(G) = 9065

A minimal faithful permutation representation — 2 generators on 91 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)(55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91);(2,5)(3,4)(7,54)(8,53)(9,52)(10,51)(11,50)(12,49)(13,48)(14,47)(15,46)(16,45)(17,44)(18,43)(19,42)(20,41)(21,40)(22,39)(23,38)(24,37)(25,36)(26,35)(27,34)(28,33)(29,32)(30,31)(56,91)(57,90)(58,89)(59,88)(60,87)(61,86)(62,85)(63,84)(64,83)(65,82)(66,81)(67,80)(68,79)(69,78)(70,77)(71,76)(72,75)(73,74)

Polycyclic presentation:

2,5,7,37,7|c^7=e^6,b^a=b^4,c^a=c^6e,d^a=d^36,e^a=e^6

Conjugacy classes & character table

4534 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD37×D245, D49×D185, D5×D1813, …
maximal normal subgroup ofD37×D245, D49×D185, D5×D1813, …
maximal quotient ofDic9065, C2×D9065, D27195

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18130, 8);