Finite Group Databasebeta

D511 #11759889

order1022
isoclinismisoclinic class of D511
automorphismAut(G) order 220752
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD511
unambiguous semidirect productC7⋊D73
unambiguous semidirect productC73⋊D7

Splittings

Fitting, socle, derived, HallC7×C73 ⋊ C2
SylowC73 ⋊ D7
SylowC7 ⋊ D73

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C73C2
LCSG ▷ C7×C73
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 80
transitive degreeμt(G) = 511

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

Polycyclic presentation:

2,7,73|b^a=b^6,c^a=c^72

Conjugacy classes & character table

257 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×D73, C2×D511, C3×D511, …
maximal normal subgroup ofD7×D73, C2×D511, C3×D511, …
maximal quotient ofDic511, C2×D511, C3×D511, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1022, 3);