Finite Group Databasebeta

#72244244

order2016
automorphism?
homologyAbelianization (H1) = C23×C3 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Splittings

HallC3×ΓL(1,𝔽8) ⋊ #127
SylowC7 ⋊ C3×#940

Subgroups

subgroupG/H
center, FrattiniC22C2×D3×AGL(1,𝔽7)
commutator, socle, cosocleC22×C3×C7C23×C3
FittingC2×C3×C4×C7C22×C3
hypercenterC2×C4D3×AGL(1,𝔽7)
hypocenterC3×C7C3×#127
LCSG ▷ C22×C3×C7 ▷ C3×C7
UCSC1 ◁ C22 ◁ C2×C4

486 conjugacy classes of subgroups; only the 97 normal subgroups are shown.

normal subgroups only

This group has 486 conjugacy classes of subgroups — too many to draw. Only its 97 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) = 336

Polycyclic presentation:

2^3,3,2^2,3,7|a^2=e,c^2=f,b^a=be,c^b=cf,g^a=g^2,h^b=h^6,h^d=h^4

Conjugacy classes & character table

96 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽7)×#940, #72244257, D3×#10620710, …
maximal normal subgroup ofAGL(1,𝔽7)×#940, #72244257, D3×#10620710, …
maximal quotient of#72246449

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