Finite Group Databasebeta
Cayley diagram

D83 #4228

order166
isoclinismisoclinic class of D83
automorphismAut(G) = AGL(1,𝔽83) (order 6806) · Inn(G) = G · Out(G) = C41
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD83
unambiguous semidirect productC83⋊C2

Splittings

Fitting, socle, derived, SylowC83 ⋊ C2

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC83C2
LCSG ▷ C83
UCSC1

4 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 83
transitive degreeμt(G) = 83

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

Polycyclic presentation:

2,83|b^a=b^82

Conjugacy classes & character table

43 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×D83, C3×D83, D249, …
maximal normal subgroup ofC2×D83, C3×D83, C5×D83, …
maximal quotient ofDic83, C2×D83, C3×D83, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(166, 1);