Finite Group Databasebeta

D4760 #72211490

order9520
automorphismAut(G) order 7311360
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD4760

Splittings

FittingC5×C7×C8×C17 ⋊ C2
HallC5×C7×C17 ⋊ D8
HallC7×C17 ⋊ D40
HallC5×C17 ⋊ D56
HallC5×C7 ⋊ D136
SylowC17 ⋊ D280
SylowC7 ⋊ D680
SylowC5 ⋊ D952

Subgroups

subgroupG/H
centerC2D2380
commutator, cosocleC4×C5×C7×C17C22
FrattiniC4C2×D595
FittingC5×C7×C8×C17C2
socleC2×C5×C7×C17D4
hypercenterC8D595
hypocenterC5×C7×C17D8
LCSG ▷ C4×C5×C7×C17 ▷ C2×C5×C7×C17 ▷ C5×C7×C17
UCSC1 ◁ C2 ◁ C4 ◁ C8

88 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 4760

A minimal faithful permutation representation — 2 generators on 37 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);(2,8)(3,7)(4,6)(10,13)(11,12)(15,20)(16,19)(17,18)(22,37)(23,36)(24,35)(25,34)(26,33)(27,32)(28,31)(29,30)

Polycyclic presentation:

2^4,5,7,17|b^2=cd,c^2=d,b^a=bc,c^a=cd,e^a=e^4,f^a=f^6,g^a=g^16

Conjugacy classes & character table

2383 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD9520, D14280, D23800
maximal normal subgroup ofD9520
maximal quotient ofD9520, Dic4760, D14280, …

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from its polycyclic presentation:

gap> F := FreeGroup(IsSyllableWordsFamily, "a", "b", "c", "d", "e", "f", "g");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 5, 7, 17]);;
gap> SetPower(coll, 2, F.3*F.4);;
gap> SetPower(coll, 3, F.4);;
gap> SetConjugate(coll, 2, 1, F.2*F.3);;
gap> SetConjugate(coll, 3, 1, F.3*F.4);;
gap> SetConjugate(coll, 5, 1, F.5^4);;
gap> SetConjugate(coll, 6, 1, F.6^6);;
gap> SetConjugate(coll, 7, 1, F.7^16);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);