Finite Group Databasebeta

#72245752

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

Aliases

No aliases for this group.

Splittings

Hall#13096060 ⋊ C3
HallC7×ΓL(1,𝔽8) ⋊ #104
SylowC72 ⋊ C3×#104

Subgroups

subgroupG/H
centerC4#11924169
commutatorC4×C72C2×C3×C4
Frattini, hypercenterC2×C4D7×AGL(1,𝔽7)
Fitting, cosocleC2×C4×C72C22×C3
socleC2×C72C3×C22⋊C4
prime radicalC7×#1157⋊C3C2
hypocenterC72C3×#104
LCSG ▷ C4×C72 ▷ C2×C72 ▷ C72
UCSC1 ◁ C4 ◁ C2×C4

191 conjugacy classes of subgroups; only the 55 normal subgroups are shown.

normal subgroups only

This group has 191 conjugacy classes of subgroups — too many to draw. Only its 55 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:

2^2,3,2^3,7^2|a^2=f,b^2=d,e^2=f,b^a=be,d^a=df,e^a=ef,g^a=g^6,g^b=g^6,g^c=g^4,h^a=g^6h,h^b=h^6,h^c=g^5h

Conjugacy classes & character table

166 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72245770, #72245920, #72245927
maximal normal subgroup of#72245770, #72245920, #72245927

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