Finite Group Databasebeta

Dic5092 #72216675

order20368
automorphismAut(G) order 48394368
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C1

Aliases

dicyclicDic5092

Splittings

HallC19×C67 ⋊ Q16
SylowC67 ⋊ Dic76
SylowC19 ⋊ Dic268

Subgroups

subgroupG/H
centerC2D5092
commutator, cosocleC4×C19×C67C22
FrattiniC4C2×D1273
FittingC8×C19×C67C2
socle, prime radicalC2×C19×C67D4
hypercenterC8D1273
hypocenterC19×C67Q16
LCSG ▷ C4×C19×C67 ▷ C2×C19×C67 ▷ C19×C67
UCSC1 ◁ C2 ◁ C4 ◁ C8

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 102
transitive degreeμt(G) = 20368

A minimal faithful permutation representation — 2 generators on 102 points:

(1,2,3,4,5,6,7,8)(9,16,15,14,13,12,11,10)(17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35)(36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102);(1,9,5,13)(2,10,6,14)(3,11,7,15)(4,12,8,16)(18,35)(19,34)(20,33)(21,32)(22,31)(23,30)(24,29)(25,28)(26,27)(37,102)(38,101)(39,100)(40,99)(41,98)(42,97)(43,96)(44,95)(45,94)(46,93)(47,92)(48,91)(49,90)(50,89)(51,88)(52,87)(53,86)(54,85)(55,84)(56,83)(57,82)(58,81)(59,80)(60,79)(61,78)(62,77)(63,76)(64,75)(65,74)(66,73)(67,72)(68,71)(69,70)

Polycyclic presentation:

2^4,19,67|a^2=d,b^2=cd,c^2=d,b^a=bc,c^a=cd,e^a=e^18,f^a=f^66

Conjugacy classes & character table

5095 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofDic10184, Dic15276
maximal normal subgroup ofDic10184
maximal quotient ofDic15276

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");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 19, 67]);;
gap> SetPower(coll, 1, F.4);;
gap> SetPower(coll, 2, F.3*F.4);;
gap> SetPower(coll, 3, F.4);;
gap> SetConjugate(coll, 2, 1, F.2*F.3);;
gap> SetConjugate(coll, 3, 1, F.3*F.4);;
gap> SetConjugate(coll, 5, 1, F.5^18);;
gap> SetConjugate(coll, 6, 1, F.6^66);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);