Finite Group Databasebeta

Dic4392 #72215841

order17568
automorphismAut(G) order 25297920
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C1

Aliases

dicyclicDic4392

Splittings

HallC9×C61 ⋊ Q32
SylowC61 ⋊ Dic72
SylowC9 ⋊ Dic488

Subgroups

subgroupG/H
centerC2D4392
commutator, cosocleC8×C9×C61C22
FrattiniC3×C8C2×D183
FittingC9×C16×C61C2
socle, prime radicalC2×C3×C61D24
hypercenterC16D549
hypocenterC9×C61Q32
LCSG ▷ C8×C9×C61 ▷ C4×C9×C61 ▷ C2×C9×C61 ▷ C9×C61
UCSC1 ◁ C2 ◁ C4 ◁ C8 ◁ C16

72 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 102
transitive degreeμt(G) = 17568

A minimal faithful permutation representation — 2 generators on 102 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)(42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102);(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)(34,41)(35,40)(36,39)(37,38)(43,102)(44,101)(45,100)(46,99)(47,98)(48,97)(49,96)(50,95)(51,94)(52,93)(53,92)(54,91)(55,90)(56,89)(57,88)(58,87)(59,86)(60,85)(61,84)(62,83)(63,82)(64,81)(65,80)(66,79)(67,78)(68,77)(69,76)(70,75)(71,74)(72,73)

Polycyclic presentation:

2^5,3,61,3|a^2=e,b^2=cd,c^2=de,d^2=e,f^3=h,b^a=bc,c^a=cd,d^a=de,f^a=f^2h^2,g^a=g^60,h^a=h^2

Conjugacy classes & character table

4395 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofDic8784, Dic13176
maximal normal subgroup ofDic8784
maximal quotient ofDic13176

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, 3, 61, 3]);;
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.6^2*F.8^2);;
gap> SetConjugate(coll, 7, 1, F.7^60);;
gap> SetConjugate(coll, 8, 1, F.8^2);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);