Finite Group Databasebeta

#72218524

order2240
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Splittings

FittingC24×C5×C7 ⋊ C22
HallC5×C7 ⋊ C2×#120
SylowC7 ⋊ D5×#120
SylowC5 ⋊ D7×#120

Subgroups

subgroupG/H
center, FrattiniC22C22×D5×D7
commutator, socle, cosocleC22×C5×C7C24
FittingC24×C5×C7C22
hypercenterC24D5×D7
hypocenterC5×C7C2×#120
LCSG ▷ C22×C5×C7 ▷ C5×C7
UCSC1 ◁ C22 ◁ C24

1324 conjugacy classes of subgroups; only the 172 normal subgroups are shown.

normal subgroups only

This group has 1324 conjugacy classes of subgroups — too many to draw. Only its 172 normal subgroups are shown.

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

Full subgroup data →

Presentation

Polycyclic presentation:

2^6,5,7|c^2=e,c^a=ce,c^b=cef,g^c=g^4,g^d=g^4,h^d=h^6

Conjugacy classes & character table

194 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72218525, D5×D7×#120
maximal normal subgroup of#72218525, D5×D7×#120

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