Finite Group Databasebeta

Dic861 #16812232

order3444
automorphismAut(G) order 826560
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic861
unambiguous semidirect productC3⋊Dic287
unambiguous semidirect productC7⋊Dic123

Splittings

derived, HallC3×C7×C41 ⋊ C4
HallC7×C41 ⋊ Dic3
HallC3×C41 ⋊ Dic7
SylowC41 ⋊ Dic21
HallC3×C7 ⋊ Dic41
SylowC7 ⋊ Dic123
SylowC3 ⋊ Dic287

Subgroups

subgroupG/H
center, Frattini, hypercenterC2D861
commutator, hypocenterC3×C7×C41C4
Fitting, socle, prime radical, cosocleC2×C3×C7×C41C2
LCSG ▷ C3×C7×C41
UCSC1 ◁ C2

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 55
transitive degreeμt(G) = 3444

A minimal faithful permutation representation — 2 generators on 55 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);(1,3,2,4)(6,7)(9,14)(10,13)(11,12)(16,55)(17,54)(18,53)(19,52)(20,51)(21,50)(22,49)(23,48)(24,47)(25,46)(26,45)(27,44)(28,43)(29,42)(30,41)(31,40)(32,39)(33,38)(34,37)(35,36)

Polycyclic presentation:

2,3,7,41,2|a^2=e,b^a=b^2,c^a=c^6,d^a=d^40

Conjugacy classes & character table

864 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC5×Dic861, Dic4305, C3⋊(C7⋊(Dic41⋊C5)), …
maximal normal subgroup ofC5×Dic861, C3⋊(C7⋊(Dic41⋊C5)), C7×Dic861, …
maximal quotient ofC5×Dic861, Dic4305, C3⋊(C7⋊#11717963), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3444, 12);