Finite Group Databasebeta

D15392 #72272152

order30784
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD15392

Splittings

FittingC13×C32×C37 ⋊ C2
HallC13×C37 ⋊ D32
SylowC37 ⋊ D416
SylowC13 ⋊ D1184

Subgroups

subgroupG/H
centerC2D7696
commutator, cosocleC13×C16×C37C22
FrattiniC16C2×D481
FittingC13×C32×C37C2
socleC2×C13×C37D16
hypercenterC32D481
hypocenterC13×C37D32
LCSG ▷ C13×C16×C37 ▷ C8×C13×C37 ▷ C4×C13×C37 ▷ C2×C13×C37 ▷ C13×C37
UCSC1 ◁ C2 ◁ C4 ◁ C8 ◁ C16 ◁ C32

68 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 82
transitive degreeμt(G) = 15392

A minimal faithful permutation representation — 2 generators on 82 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);(2,32)(3,31)(4,30)(5,29)(6,28)(7,27)(8,26)(9,25)(10,24)(11,23)(12,22)(13,21)(14,20)(15,19)(16,18)(34,45)(35,44)(36,43)(37,42)(38,41)(39,40)(47,82)(48,81)(49,80)(50,79)(51,78)(52,77)(53,76)(54,75)(55,74)(56,73)(57,72)(58,71)(59,70)(60,69)(61,68)(62,67)(63,66)(64,65)

Polycyclic presentation:

2^6,13,37|b^2=cd,c^2=de,d^2=ef,e^2=f,b^a=bc,c^a=cd,d^a=de,e^a=ef,g^a=g^12,h^a=h^36

Conjugacy classes & character table

7699 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD30784
maximal normal subgroup ofD30784
maximal quotient ofDic15392, D30784

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, 2, 2, 13, 37]);;
gap> SetPower(coll, 2, F.3*F.4);;
gap> SetPower(coll, 3, F.4*F.5);;
gap> SetPower(coll, 4, F.5*F.6);;
gap> SetPower(coll, 5, F.6);;
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, 5, 1, F.5*F.6);;
gap> SetConjugate(coll, 7, 1, F.7^12);;
gap> SetConjugate(coll, 8, 1, F.8^36);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);