Finite Group Databasebeta

D5040 #72211582

order10080
automorphismAut(G) order 5806080
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD5040

Splittings

FittingC5×C7×C9×C16 ⋊ C2
HallC5×C7×C9 ⋊ D16
HallC7×C9 ⋊ D80
HallC5×C9 ⋊ D112
HallC5×C7 ⋊ D144
SylowC9 ⋊ D560
SylowC7 ⋊ D720
SylowC5 ⋊ D1008

Subgroups

subgroupG/H
centerC2D2520
commutator, cosocleC5×C7×C8×C9C22
FrattiniC3×C8C2×D105
FittingC5×C7×C9×C16C2
socleC2×C3×C5×C7D24
hypercenterC16D315
hypocenterC5×C7×C9D16
LCSG ▷ C5×C7×C8×C9 ▷ C4×C5×C7×C9 ▷ C2×C5×C7×C9 ▷ C5×C7×C9
UCSC1 ◁ C2 ◁ C4 ◁ C8 ◁ C16

168 conjugacy classes of subgroups; only the 63 normal subgroups are shown.

normal subgroups only

This group has 168 conjugacy classes of subgroups — too many to draw. Only its 63 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 5040

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);(2,16)(3,15)(4,14)(5,13)(6,12)(7,11)(8,10)(18,25)(19,24)(20,23)(21,22)(27,30)(28,29)(32,37)(33,36)(34,35)

Polycyclic presentation:

2^5,3,5,7,3|b^2=cd,c^2=de,d^2=e,f^3=i,b^a=bc,c^a=cd,d^a=de,f^a=f^2i^2,g^a=g^4,h^a=h^6,i^a=i^2

Conjugacy classes & character table

2523 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD10080, D15120, D25200
maximal normal subgroup ofD10080
maximal quotient ofD10080, Dic5040, D15120, …

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", "h", "i");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 3, 5, 7, 3]);;
gap> SetPower(coll, 2, F.3*F.4);;
gap> SetPower(coll, 3, F.4*F.5);;
gap> SetPower(coll, 4, F.5);;
gap> SetPower(coll, 6, F.9);;
gap> SetConjugate(coll, 2, 1, F.2*F.3);;
gap> SetConjugate(coll, 3, 1, F.3*F.4);;
gap> SetConjugate(coll, 4, 1, F.4*F.5);;
gap> SetConjugate(coll, 6, 1, F.6^2*F.9^2);;
gap> SetConjugate(coll, 7, 1, F.7^4);;
gap> SetConjugate(coll, 8, 1, F.8^6);;
gap> SetConjugate(coll, 9, 1, F.9^2);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);