Finite Group Databasebeta

#72259750

order4704
automorphism?
homologyAbelianization (H1) = C2×C3×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

FittingC72×C4⋊C4 ⋊ C2×C3
Hall#13096127 ⋊ C3
Hall#3861 ⋊ #102
SylowC72 ⋊ C3×#102

Subgroups

subgroupG/H
centerC22#11924217
commutatorC4×C72C2×C3×C4
FrattiniC2×C4C2×#64424
FittingC72×C4⋊C4C2×C3
socleC22×C72C3×D4
prime radicalC2×C4⋊#64424C2
cosocleC2×C4×C72C22×C3
hypercenterC4⋊C4#64424
hypocenterC72C3×#102
LCSG ▷ C4×C72 ▷ C2×C72 ▷ C72
UCSC1 ◁ C22 ◁ C2×C4 ◁ C4⋊C4

500 conjugacy classes of subgroups; only the 109 normal subgroups are shown.

normal subgroups only

This group has 500 conjugacy classes of subgroups — too many to draw. Only its 109 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) = 784

Polycyclic presentation:

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

Conjugacy classes & character table

122 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72259787, #72260102, #102×#64424
maximal normal subgroup of#72259787, #72260102, #102×#64424

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