Finite Group Databasebeta

#72246940

order3024
automorphism?
homologyAbelianization (H1) = C23×C3 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

HallC32×ΓL(1,𝔽8) ⋊ #41
SylowC7 ⋊ C3×#3799

Subgroups

subgroupG/H
center, FrattiniC2C2×D3×C3⋊AGL(1,𝔽7)
commutator, socle, cosocleC2×C32×C7C23×C3
FittingC32×C4×C7C22×C3
hypercenterC4D3×C3⋊AGL(1,𝔽7)
hypocenterC32×C7C3×#41
LCSG ▷ C2×C32×C7 ▷ C32×C7
UCSC1 ◁ C2 ◁ C4

420 conjugacy classes of subgroups; only the 82 normal subgroups are shown.

normal subgroups only

This group has 420 conjugacy classes of subgroups — too many to draw. Only its 82 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) = 168

Polycyclic presentation:

2^3,3,2,3^2,7|a^2=e,c^a=ce,c^b=ce,f^b=f^2,f^c=f^2,g^b=f^2g,g^c=g^2,h^c=h^6,h^d=h^2

Conjugacy classes & character table

117 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72246946, #72247000, AGL(1,𝔽7)×#3799, …
maximal normal subgroup of#72246946, #72247000, AGL(1,𝔽7)×#3799, …

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