Finite Group Databasebeta

D1027 #14523331

order2054
isoclinismisoclinic class of D1027
automorphismAut(G) order 961272
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD1027
unambiguous semidirect productC13⋊D79
unambiguous semidirect productC79⋊D13

Splittings

Fitting, socle, derived, HallC13×C79 ⋊ C2
SylowC79 ⋊ D13
SylowC13 ⋊ D79

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC13×C79C2
LCSG ▷ C13×C79
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 92
transitive degreeμt(G) = 1027

A minimal faithful permutation representation — 2 generators on 92 points:

(1,2,3,4,5,6,7,8,9,10,11,12,13)(14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92);(2,13)(3,12)(4,11)(5,10)(6,9)(7,8)(15,92)(16,91)(17,90)(18,89)(19,88)(20,87)(21,86)(22,85)(23,84)(24,83)(25,82)(26,81)(27,80)(28,79)(29,78)(30,77)(31,76)(32,75)(33,74)(34,73)(35,72)(36,71)(37,70)(38,69)(39,68)(40,67)(41,66)(42,65)(43,64)(44,63)(45,62)(46,61)(47,60)(48,59)(49,58)(50,57)(51,56)(52,55)(53,54)

Polycyclic presentation:

2,13,79|b^a=b^12,c^a=c^78

Conjugacy classes & character table

515 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD13×D79, C2×D1027, C7×D1027, …
maximal normal subgroup ofD13×D79, C2×D1027, C7×D1027, …
maximal quotient ofDic1027, C2×D1027, C7×D1027, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2054, 5);