Finite Group Databasebeta

D871 #13181986

order1742
isoclinismisoclinic class of D871
automorphismAut(G) order 689832
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD871
unambiguous semidirect productC13⋊D67
unambiguous semidirect productC67⋊D13

Splittings

Fitting, socle, derived, HallC13×C67 ⋊ C2
SylowC67 ⋊ D13
SylowC13 ⋊ D67

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC13×C67C2
LCSG ▷ C13×C67
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 80
transitive degreeμt(G) = 871

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

Polycyclic presentation:

2,13,67|b^a=b^12,c^a=c^66

Conjugacy classes & character table

437 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD13×D67, C2×D871, C7×D871, …
maximal normal subgroup ofD13×D67, C2×D871, C7×D871, …
maximal quotient ofDic871, C2×D871, C7×D871, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1742, 3);