Finite Group Databasebeta

D979 #14519901

order1958
isoclinismisoclinic class of D979
automorphismAut(G) order 861520
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD979
unambiguous semidirect productC11⋊D89
unambiguous semidirect productC89⋊D11

Splittings

Fitting, socle, derived, HallC11×C89 ⋊ C2
SylowC89 ⋊ D11
SylowC11 ⋊ D89

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC11×C89C2
LCSG ▷ C11×C89
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 100
transitive degreeμt(G) = 979

A minimal faithful permutation representation — 2 generators on 100 points:

(1,2,3,4,5,6,7,8,9,10,11)(12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100);(2,11)(3,10)(4,9)(5,8)(6,7)(13,100)(14,99)(15,98)(16,97)(17,96)(18,95)(19,94)(20,93)(21,92)(22,91)(23,90)(24,89)(25,88)(26,87)(27,86)(28,85)(29,84)(30,83)(31,82)(32,81)(33,80)(34,79)(35,78)(36,77)(37,76)(38,75)(39,74)(40,73)(41,72)(42,71)(43,70)(44,69)(45,68)(46,67)(47,66)(48,65)(49,64)(50,63)(51,62)(52,61)(53,60)(54,59)(55,58)(56,57)

Polycyclic presentation:

2,11,89|b^a=b^10,c^a=c^88

Conjugacy classes & character table

491 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD11×D89, C2×D979, C7×D979, …
maximal normal subgroup ofD11×D89, C2×D979, C7×D979, …
maximal quotient ofDic979, C2×D979, C7×D979, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1958, 5);