Finite Group Databasebeta

#72245283

order3528
automorphism?
homologyAbelianization (H1) = C32×C8 · Schur multiplier (H2) = C3

Aliases

No aliases for this group.

Splittings

derived, SylowC72 ⋊ C32×C8
HallΓL(1,𝔽8)2 ⋊ C8
HallC7⋊(C7⋊C8) ⋊ C32

Subgroups

subgroupG/H
center, Frattini, hypercenterC4ΓL(1,𝔽8)⋊AGL(1,𝔽7)
commutator, hypocenterC72C32×C8
Fitting, cosocleC4×C72C2×C32
socleC2×C72C32×C4
prime radicalC2×ΓL(1,𝔽8)2C4
LCSG ▷ C72
UCSC1 ◁ C4

112 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 168

Polycyclic presentation:

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

Conjugacy classes & character table

104 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC8×ΓL(1,𝔽8)⋊AGL(1,𝔽7), #72245290, #72245292, …
maximal normal subgroup ofC8×ΓL(1,𝔽8)⋊AGL(1,𝔽7), #72245290, #72245292, …

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