Finite Group Databasebeta

#72269735

order6804
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

Fitting, derivedC7×C32⋊C9 ⋊ C22×C3
Hall#13133544 ⋊ C22
SylowC7 ⋊ C2×#92302

Subgroups

subgroupG/H
center, hypercenterC3#72229990
commutator, Fitting, cosocle, hypocenterC7×C32⋊C9C22×C3
FrattiniC32C3⋊D3×AGL(1,𝔽7)
socleC32×C7C2×C3×C3⋊D3
LCSG ▷ C7×C32⋊C9
UCSC1 ◁ C3

700 conjugacy classes of subgroups; only the 61 normal subgroups are shown.

normal subgroups only

This group has 700 conjugacy classes of subgroups — too many to draw. Only its 61 normal subgroups are shown.

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

Full subgroup data →

Presentation

transitive degreeμt(G) = 126

Polycyclic presentation:

2^2,3^3,7,3^2|d^3=h,c^a=ch,d^a=d^2h^2,d^c=dh^2,e^a=e^2,e^d=eg,f^b=f^6,f^c=f^2,h^a=h^2

Conjugacy classes & character table

99 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽7)×#92302
maximal normal subgroup ofAGL(1,𝔽7)×#92302

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