Finite Group Databasebeta

Dic5096 #72216680

order20384
automorphismAut(G) order 41094144
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C1

Aliases

dicyclicDic5096

Splittings

HallC13×C49 ⋊ Q32
SylowC49 ⋊ Dic104
SylowC13 ⋊ Dic392

Subgroups

subgroupG/H
centerC2D5096
commutator, cosocleC8×C13×C49C22
FrattiniC7×C8C2×D91
FittingC13×C16×C49C2
socle, prime radicalC2×C7×C13D56
hypercenterC16D637
hypocenterC13×C49Q32
LCSG ▷ C8×C13×C49 ▷ C4×C13×C49 ▷ C2×C13×C49 ▷ C13×C49
UCSC1 ◁ C2 ◁ C4 ◁ C8 ◁ C16

72 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 94
transitive degreeμt(G) = 20384

A minimal faithful permutation representation — 2 generators on 94 points:

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

Polycyclic presentation:

2^5,7,13,7|a^2=e,b^2=cd,c^2=de,d^2=e,f^7=h,b^a=bc,c^a=cd,d^a=de,f^a=f^6h^6,g^a=g^12,h^a=h^6

Conjugacy classes & character table

5099 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofDic10192, Dic15288
maximal normal subgroup ofDic10192
maximal quotient ofDic15288

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", "h");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 7, 13, 7]);;
gap> SetPower(coll, 1, F.5);;
gap> SetPower(coll, 2, F.3*F.4);;
gap> SetPower(coll, 3, F.4*F.5);;
gap> SetPower(coll, 4, F.5);;
gap> SetPower(coll, 6, F.8);;
gap> SetConjugate(coll, 2, 1, F.2*F.3);;
gap> SetConjugate(coll, 3, 1, F.3*F.4);;
gap> SetConjugate(coll, 4, 1, F.4*F.5);;
gap> SetConjugate(coll, 6, 1, F.6^6*F.8^6);;
gap> SetConjugate(coll, 7, 1, F.7^12);;
gap> SetConjugate(coll, 8, 1, F.8^6);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);