Finite Group Databasebeta

D31416 #72301205

order62832
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD31416

Splittings

FittingC3×C7×C8×C11×C17 ⋊ C2
HallC3×C7×C11×C17 ⋊ D8
HallC7×C11×C17 ⋊ D24
HallC3×C11×C17 ⋊ D56
HallC3×C7×C17 ⋊ D88
HallC3×C7×C11 ⋊ D136
HallC11×C17 ⋊ D168
HallC7×C17 ⋊ D264
HallC7×C11 ⋊ D408
HallC3×C17 ⋊ D616
HallC3×C11 ⋊ D952
HallC3×C7 ⋊ D1496
SylowC17 ⋊ D1848
SylowC11 ⋊ D2856
SylowC7 ⋊ D4488
SylowC3 ⋊ D10472

Subgroups

subgroupG/H
centerC2D15708
commutator, cosocleC3×C4×C7×C11×C17C22
FrattiniC4C2×D3927
FittingC3×C7×C8×C11×C17C2
socleC2×C3×C7×C11×C17D4
hypercenterC8D3927
hypocenterC3×C7×C11×C17D8
LCSG ▷ C3×C4×C7×C11×C17 ▷ C2×C3×C7×C11×C17 ▷ C3×C7×C11×C17
UCSC1 ◁ C2 ◁ C4 ◁ C8

176 conjugacy classes of subgroups; only the 67 normal subgroups are shown.

normal subgroups only

This group has 176 conjugacy classes of subgroups — too many to draw. Only its 67 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) = 46
transitive degreeμt(G) = 31416

A minimal faithful permutation representation — 2 generators on 46 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);(2,8)(3,7)(4,6)(10,11)(13,18)(14,17)(15,16)(20,29)(21,28)(22,27)(23,26)(24,25)(31,46)(32,45)(33,44)(34,43)(35,42)(36,41)(37,40)(38,39)

Polycyclic presentation:

2^4,3,7,11,17|b^2=cd,c^2=d,b^a=bc,c^a=cd,e^a=e^2,f^a=f^6,g^a=g^10,h^a=h^16

Conjugacy classes & character table

15711 conjugacy classes. The character table is too large to display.

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");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 3, 7, 11, 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.5^2);;
gap> SetConjugate(coll, 6, 1, F.6^6);;
gap> SetConjugate(coll, 7, 1, F.7^10);;
gap> SetConjugate(coll, 8, 1, F.8^16);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);