Finite Group Databasebeta

#72246709

order1536
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Splittings

Fitting#20609 ⋊ D3

Subgroups

subgroupG/H
center, socleC22C2×#1020⋊C2
commutator, hypocenter#997C22×C4
FrattiniC24C22×S4
Fitting#20609D3
prime radicalC2×#87516C2
cosocleC2×#997C23
hypercenterC23#1020⋊C2
LCSG ▷ #997
UCSC1 ◁ C22 ◁ C23

1671 conjugacy classes of subgroups; only the 51 normal subgroups are shown.

normal subgroups only

This group has 1671 conjugacy classes of subgroups — too many to draw. Only its 51 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) = 20
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 20 points:

(5,7,14)(6,13,18,10,11,19)(9,15,20)(12,16);(1,3,4,2)(5,6)(7,13)(8,16)(9,10)(11,15)(12,17)(14,19)(18,20);(1,2,4,3)(7,8)(11,12)(13,16)(15,17)

Polycyclic presentation:

2^4,3,2^5|a^2=d,b^2=d,c^b=cj,e^a=e^2,f^a=g,f^b=fhij,f^e=g,g^a=f,g^b=ghj,g^e=fg,h^a=hi,h^e=i,h^f=hj,i^e=hi,i^f=ij,i^g=ij

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72246783, C4×#11714170, #72341350, …
maximal normal subgroup ofC4×#11714170, #72341350, #72341407

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