Finite Group Databasebeta

#72322808

order1024
nilpotency class6
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC2#150158
commutatorC2×C32C22×C4
Frattini, cosocle#1397C23
prime radical#513074C2
LCSG ▷ C2×C32 ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2 ◁ C2×C4 ◁ #405 ◁ #2108 ◁ #13549 ◁ G
LECSG ▷ #1397 ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1

252 conjugacy classes of subgroups; only the 77 normal subgroups are shown.

normal subgroups only

This group has 252 conjugacy classes of subgroups — too many to draw. Only its 77 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 128
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 128 points:

(1,2,6,15,46,51,40,117,54,66,5,36,39,55,116,109,53,77,118,38,68,33,112,70,52,17,76,44,49,16,75,73,11,20,47,71,48,34,106,110,9,18,43,72,45,35,107,111,10,19,41,74,13,64,67,31,8,50,42,14,7,4,30,32)(3,21,24,78,96,87,115,126,104,62,37,113,95,88,123,124,103,63,93,90,57,119,120,108,83,79,94,69,101,22,82,85,29,12,56,59,100,102,92,125,27,80,23,89,91,105,128,127,28,81,99,114,65,86,122,84,26,61,98,58,25,60,97,121);(1,3)(2,12)(4,22)(5,37)(6,24)(7,25)(8,26)(9,27)(10,28)(11,29)(13,65)(14,69)(15,59)(16,60)(17,61)(18,62)(19,63)(20,21)(23,43)(30,97)(31,108)(32,85)(33,86)(34,87)(35,88)(36,89)(38,114)(39,95)(40,115)(41,99)(42,98)(44,58)(45,91)(46,96)(47,56)(48,100)(49,101)(50,79)(51,102)(52,83)(53,103)(54,104)(55,105)(57,68)(64,119)(66,80)(67,122)(70,84)(71,78)(72,113)(73,121)(74,90)(75,82)(76,94)(77,81)(92,106)(93,118)(107,128)(109,127)(110,126)(111,124)(112,120)(116,123)(117,125);(1,4,8,51,10,55,9,33,11,16,52,34,53,35,54,64)(2,13,66,45,77,48,17,49,20,68,18,39,19,46,50,7)(3,22,83,87,28,105,104,119,29,60,26,102,103,88,27,86)(5,38,47,14,42,71,118,36,43,74,6,44,76,15,41,72)(12,57,62,91,81,96,79,101,21,65,80,95,63,100,61,25)(23,90,56,69,94,59,93,89,37,114,24,58,98,78,99,113)(30,73,112,117,107,111,40,70,75,32,67,110,116,109,106,31)(82,85,120,125,123,127,115,84,97,121,122,126,128,124,92,108)

Polycyclic presentation:

2^10|a^2=e,c^2=defi,d^2=fhij,e^2=fgij,f^2=hij,g^2=i,h^2=ij,i^2=j,b^a=bj,c^a=cd,c^b=cgh,d^a=dij,d^b=dj,d^c=df,e^c=ef,e^d=ej,f^a=fj,f^c=fh,g^a=gj,g^c=gi,h^c=hi,i^c=ij

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72322819
maximal normal subgroup of#72322819

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", "i", "j");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 2, 2, 2, 2, 2]);;
gap> SetPower(coll, 1, F.5);;
gap> SetPower(coll, 3, F.4*F.5*F.6*F.9);;
gap> SetPower(coll, 4, F.6*F.8*F.9*F.10);;
gap> SetPower(coll, 5, F.6*F.7*F.9*F.10);;
gap> SetPower(coll, 6, F.8*F.9*F.10);;
gap> SetPower(coll, 7, F.9);;
gap> SetPower(coll, 8, F.9*F.10);;
gap> SetPower(coll, 9, F.10);;
gap> SetConjugate(coll, 2, 1, F.2*F.10);;
gap> SetConjugate(coll, 3, 1, F.3*F.4);;
gap> SetConjugate(coll, 3, 2, F.3*F.7*F.8);;
gap> SetConjugate(coll, 4, 1, F.4*F.9*F.10);;
gap> SetConjugate(coll, 4, 2, F.4*F.10);;
gap> SetConjugate(coll, 4, 3, F.4*F.6);;
gap> SetConjugate(coll, 5, 3, F.5*F.6);;
gap> SetConjugate(coll, 5, 4, F.5*F.10);;
gap> SetConjugate(coll, 6, 1, F.6*F.10);;
gap> SetConjugate(coll, 6, 3, F.6*F.8);;
gap> SetConjugate(coll, 7, 1, F.7*F.10);;
gap> SetConjugate(coll, 7, 3, F.7*F.9);;
gap> SetConjugate(coll, 8, 3, F.8*F.9);;
gap> SetConjugate(coll, 9, 3, F.9*F.10);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);