Finite Group Databasebeta

Dic4165 #30659376

order16660
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic4165
unambiguous semidirect productC49⋊Dic85

Splittings

derived, HallC5×C17×C49 ⋊ C4
HallC17×C49 ⋊ Dic5
HallC5×C49 ⋊ Dic17
HallC5×C17 ⋊ Dic49
SylowC49 ⋊ Dic85
SylowC17 ⋊ Dic245
SylowC5 ⋊ Dic833

Subgroups

subgroupG/H
center, hypercenterC2D4165
commutator, hypocenterC5×C17×C49C4
FrattiniC2×C7D595
Fitting, cosocleC2×C5×C17×C49C2
socle, prime radicalC2×C5×C7×C17D7
LCSG ▷ C5×C17×C49
UCSC1 ◁ C2

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 75
transitive degreeμt(G) = 16660

A minimal faithful permutation representation — 2 generators on 75 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);(1,3,2,4)(6,9)(7,8)(11,58)(12,57)(13,56)(14,55)(15,54)(16,53)(17,52)(18,51)(19,50)(20,49)(21,48)(22,47)(23,46)(24,45)(25,44)(26,43)(27,42)(28,41)(29,40)(30,39)(31,38)(32,37)(33,36)(34,35)(60,75)(61,74)(62,73)(63,72)(64,71)(65,70)(66,69)(67,68)

Polycyclic presentation:

2,5,7,17,2,7|a^2=e,c^7=f^6,b^a=b^4,c^a=c^6f,d^a=d^16,f^a=f^6

Conjugacy classes & character table

4168 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofDic8330
maximal normal subgroup ofDic8330

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16660, 8);