Finite Group Databasebeta

#72245172

order2352
automorphism?
homologyAbelianization (H1) = C2×C3×C4 · Schur multiplier (H2) = C1

Aliases

No aliases for this group.

Splittings

Hall#11716066 ⋊ C3
HallC7×ΓL(1,𝔽8) ⋊ M16
SylowC72 ⋊ C3×M16

Subgroups

subgroupG/H
center, FrattiniC4C2×ΓL(1,𝔽8)⋊D7
commutator, socleC2×C72C2×C3×C4
FittingC2×C4×C72C2×C3
prime radicalC22×C7×ΓL(1,𝔽8)C4
cosocleC4×C72C22×C3
hypercenterC2×C4ΓL(1,𝔽8)⋊D7
hypocenterC72C3×M16
LCSG ▷ C2×C72 ▷ C72
UCSC1 ◁ C4 ◁ C2×C4

100 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 168

Polycyclic presentation:

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

Conjugacy classes & character table

158 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofM16×ΓL(1,𝔽8)⋊D7, #72245206, #72245208, …
maximal normal subgroup ofM16×ΓL(1,𝔽8)⋊D7, #72245206, #72245208, …

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