Finite Group Databasebeta

#72249200

order3402
automorphism?
homologyAbelianization (H1) = C2×C3 · Schur multiplier (H2) = C32

Aliases

No aliases for this group.

Splittings

Fitting, HallC7×C32⋊H(3,𝔽3) ⋊ C2
derivedC3×C7×H(3,𝔽3) ⋊ C2×C3
SylowC32⋊H(3,𝔽3) ⋊ D7
SylowC7 ⋊ #92300

Subgroups

subgroupG/H
center, hypercenterC3C3⋊#67385
commutator, cosocle, hypocenterC3×C7×H(3,𝔽3)C2×C3
FrattiniC32C3×C3⋊D21
FittingC7×C32⋊H(3,𝔽3)C2
socleC32×C7C3×C3⋊D3
LCSG ▷ C3×C7×H(3,𝔽3)
UCSC1 ◁ C3

384 conjugacy classes of subgroups; only the 44 normal subgroups are shown.

normal subgroups only

This group has 384 conjugacy classes of subgroups — too many to draw. Only its 44 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:

2,3^4,7,3|c^a=c^2,c^b=ce,d^a=d^2,d^c=dg,e^a=e^2,f^a=f^6

Conjugacy classes & character table

192 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72249205, #72254872, D7×#92300
maximal normal subgroup of#72254872, D7×#92300

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