Finite Group Databasebeta
Cayley diagram

D237 #90905

order474
isoclinismisoclinic class of D237
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD237
unambiguous semidirect productC3⋊D79
unambiguous semidirect productC79⋊D3

Splittings

Fitting, socle, derived, HallC3×C79 ⋊ C2
SylowC79 ⋊ D3
SylowC3 ⋊ D79

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C79C2
LCSG ▷ C3×C79
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 82
transitive degreeμt(G) = 237

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

Polycyclic presentation:

2,3,79|b^a=b^2,c^a=c^78

Conjugacy classes & character table

120 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD3×D79, C2×D237, D711, …
maximal normal subgroup ofD3×D79, C2×D237, C3⋊(D79⋊C3), …
maximal quotient ofDic237, C2×D237, D711, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(474, 5);