Finite Group Databasebeta

#72249118

order3402
automorphism?
homologyAbelianization (H1) = C2×C33 · Schur multiplier (H2) = C33

Aliases

No aliases for this group.

Splittings

Hall#13133546 ⋊ C2
HallD7 ⋊ #6891
SylowC7 ⋊ C2×#6891

Subgroups

subgroupG/H
center, FrattiniC32C32×AGL(1,𝔽7)
commutator, socle, cosocleC32×C7C2×C33
FittingC34×C7C2×C3
prime radicalC34×D7C3
hypercenterC34AGL(1,𝔽7)
hypocenterC7C2×#6891
LCSG ▷ C32×C7 ▷ C7
UCSC1 ◁ C32 ◁ C34

504 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 189

Polycyclic presentation:

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

Conjugacy classes & character table

183 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72249123, AGL(1,𝔽7)×#6891, #72249151
maximal normal subgroup of#72249123, AGL(1,𝔽7)×#6891, #72249151

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