Finite Group Databasebeta

Dic415 #13110310

order1660
isoclinismisoclinic class of D415
automorphismAut(G) order 272240
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic415
unambiguous semidirect productC83⋊Dic5

Splittings

derived, HallC5×C83 ⋊ C4
SylowC83 ⋊ Dic5
SylowC5 ⋊ Dic83

Subgroups

subgroupG/H
center, Frattini, hypercenterC2D415
commutator, hypocenterC5×C83C4
Fitting, socle, prime radical, cosocleC2×C5×C83C2
LCSG ▷ C5×C83
UCSC1 ◁ C2

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 92
transitive degreeμt(G) = 1660

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

Polycyclic presentation:

2^2,5,83|a^2=b,c^a=c^4,d^a=d^82

Conjugacy classes & character table

418 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC7×Dic415, Dic2905, C83⋊#4379, …
maximal normal subgroup ofC7×Dic415, C11×Dic415, C13×Dic415, …
maximal quotient ofC7×Dic415, Dic2905, C83⋊#4379, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1660, 3);