Finite Group Databasebeta

#72254209

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

Aliases

No aliases for this group.

Splittings

HallC3×C72 ⋊ C2×M16
SylowC72 ⋊ C2×ΓL(1,𝔽25)
SylowC3 ⋊ #13096284

Subgroups

subgroupG/H
center, Frattini, hypercenterC4D3×D72
commutator, socleC2×C3×C72C22×C4
Fitting, cosocleC3×C4×C72C23
prime radicalC2×D3×C7⋊D7C4
hypocenterC3×C72C2×M16
LCSG ▷ C2×C3×C72 ▷ C3×C72
UCSC1 ◁ C4

434 conjugacy classes of subgroups; only the 76 normal subgroups are shown.

normal subgroups only

This group has 434 conjugacy classes of subgroups — too many to draw. Only its 76 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:

2^5,3,7^2|a^2=d,d^2=e,b^a=be,f^b=f^2,g^a=g^6,g^c=g^6,h^a=g^2h,h^c=h^6

Conjugacy classes & character table

252 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD3×#13096284, #72269363, #72269396
maximal normal subgroup ofD3×#13096284, #72269363, #72269396

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