Finite Group Databasebeta

D580 #11923927

order1160
automorphismAut(G) order 129920
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD580
unambiguous semidirect productC4⋊D145

Splittings

FittingC4×C5×C29 ⋊ C2
HallC5×C29 ⋊ D4
SylowC29 ⋊ D20
SylowC5 ⋊ D116

Subgroups

subgroupG/H
center, FrattiniC2C2×D145
commutator, socle, cosocleC2×C5×C29C22
FittingC4×C5×C29C2
hypercenterC4D145
hypocenterC5×C29D4
LCSG ▷ C2×C5×C29 ▷ C5×C29
UCSC1 ◁ C2 ◁ C4

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 38
transitive degreeμt(G) = 580

A minimal faithful permutation representation — 2 generators on 38 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);(2,4)(6,9)(7,8)(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)

Polycyclic presentation:

2^3,5,29|b^2=c,b^a=bc,d^a=d^4,e^a=e^28

Conjugacy classes & character table

293 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD1160, D2900, D1740, …
maximal normal subgroup ofD1160
maximal quotient ofD1160, Dic580, D2900, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1160, 30);