Finite Group Databasebeta

Dic10602 #72274652

order42408
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C1

Aliases

dicyclicDic10602

Splittings

HallC9×C19×C31 ⋊ Q8
HallC19×C31 ⋊ Dic18
HallC9×C31 ⋊ Dic38
HallC9×C19 ⋊ Dic62
SylowC31 ⋊ Dic342
SylowC19 ⋊ Dic558
SylowC9 ⋊ Dic1178

Subgroups

subgroupG/H
centerC2C2×D5301
commutator, cosocleC2×C9×C19×C31C22
FrattiniC2×C3C2×D1767
FittingC4×C9×C19×C31C2
socle, prime radicalC2×C3×C19×C31C2×D3
hypercenterC4D5301
hypocenterC9×C19×C31Q8
LCSG ▷ C2×C9×C19×C31 ▷ C9×C19×C31
UCSC1 ◁ C2 ◁ C4

72 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 67
transitive degreeμt(G) = 42408

A minimal faithful permutation representation — 2 generators on 67 points:

(1,2,3,4)(5,8,7,6)(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);(1,5,3,7)(2,6,4,8)(10,17)(11,16)(12,15)(13,14)(19,36)(20,35)(21,34)(22,33)(23,32)(24,31)(25,30)(26,29)(27,28)(38,67)(39,66)(40,65)(41,64)(42,63)(43,62)(44,61)(45,60)(46,59)(47,58)(48,57)(49,56)(50,55)(51,54)(52,53)

Polycyclic presentation:

2^3,3,19,31,3|a^2=c,b^2=c,d^3=g,b^a=bc,d^a=d^2g^2,e^a=e^18,f^a=f^30,g^a=g^2

Conjugacy classes & character table

10605 conjugacy classes. The character table is too large to display.

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from its polycyclic presentation:

gap> F := FreeGroup(IsSyllableWordsFamily, "a", "b", "c", "d", "e", "f", "g");;
gap> coll := SingleCollector(F, [2, 2, 2, 3, 19, 31, 3]);;
gap> SetPower(coll, 1, F.3);;
gap> SetPower(coll, 2, F.3);;
gap> SetPower(coll, 4, F.7);;
gap> SetConjugate(coll, 2, 1, F.2*F.3);;
gap> SetConjugate(coll, 4, 1, F.4^2*F.7^2);;
gap> SetConjugate(coll, 5, 1, F.5^18);;
gap> SetConjugate(coll, 6, 1, F.6^30);;
gap> SetConjugate(coll, 7, 1, F.7^2);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);