Finite Group Databasebeta

D20636 #72274606

order41272
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD20636

Splittings

FittingC4×C7×C11×C67 ⋊ C2
HallC7×C11×C67 ⋊ D4
HallC11×C67 ⋊ D28
HallC7×C67 ⋊ D44
HallC7×C11 ⋊ D268
SylowC67 ⋊ D308
SylowC11 ⋊ D1876
SylowC7 ⋊ D2948

Subgroups

subgroupG/H
center, FrattiniC2C2×D5159
commutator, socle, cosocleC2×C7×C11×C67C22
FittingC4×C7×C11×C67C2
hypercenterC4D5159
hypocenterC7×C11×C67D4
LCSG ▷ C2×C7×C11×C67 ▷ C7×C11×C67
UCSC1 ◁ C2 ◁ C4

64 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 89
transitive degreeμt(G) = 20636

A minimal faithful permutation representation — 2 generators on 89 points:

(1,2,3,4)(5,6,7,8,9,10,11)(12,13,14,15,16,17,18,19,20,21,22)(23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89);(2,4)(6,11)(7,10)(8,9)(13,22)(14,21)(15,20)(16,19)(17,18)(24,89)(25,88)(26,87)(27,86)(28,85)(29,84)(30,83)(31,82)(32,81)(33,80)(34,79)(35,78)(36,77)(37,76)(38,75)(39,74)(40,73)(41,72)(42,71)(43,70)(44,69)(45,68)(46,67)(47,66)(48,65)(49,64)(50,63)(51,62)(52,61)(53,60)(54,59)(55,58)(56,57)

Polycyclic presentation:

2^3,7,11,67|b^2=c,b^a=bc,d^a=d^6,e^a=e^10,f^a=f^66

Conjugacy classes & character table

10321 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");;
gap> coll := SingleCollector(F, [2, 2, 2, 7, 11, 67]);;
gap> SetPower(coll, 2, F.3);;
gap> SetConjugate(coll, 2, 1, F.2*F.3);;
gap> SetConjugate(coll, 4, 1, F.4^6);;
gap> SetConjugate(coll, 5, 1, F.5^10);;
gap> SetConjugate(coll, 6, 1, F.6^66);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);