Finite Group Databasebeta

D20676 #72274635

order41352
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD20676

Splittings

FittingC3×C4×C1723 ⋊ C2
HallC3×C1723 ⋊ D4
SylowC1723 ⋊ D12
SylowC3 ⋊ D6892

Subgroups

subgroupG/H
center, FrattiniC2C2×D5169
commutator, socle, cosocleC2×C3×C1723C22
FittingC3×C4×C1723C2
hypercenterC4D5169
hypocenterC3×C1723D4
LCSG ▷ C2×C3×C1723 ▷ C3×C1723
UCSC1 ◁ C2 ◁ C4

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 1730
transitive degreeμt(G) = 20676

A minimal faithful permutation representation — 2 generators on 1730 points:

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Polycyclic presentation:

2^3,3,1723|b^2=c,b^a=bc,d^a=d^2,e^a=e^1722

Conjugacy classes & character table

10341 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");;
gap> coll := SingleCollector(F, [2, 2, 2, 3, 1723]);;
gap> SetPower(coll, 2, F.3);;
gap> SetConjugate(coll, 2, 1, F.2*F.3);;
gap> SetConjugate(coll, 4, 1, F.4^2);;
gap> SetConjugate(coll, 5, 1, F.5^1722);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);