Finite Group Databasebeta

C72⋊(C71⋊C7) #37567007

order24353
automorphism?
homologyAbelianization (H1) = C72 · Schur multiplier (H2) = C72

Aliases

unambiguous semidirect productC72⋊(C71⋊C7)
unambiguous semidirect productC71⋊H(3,𝔽7)
unambiguous semidirect product(C7×C71⋊C7)⋊C7

Splittings

FittingC72×C71 ⋊ C7
SylowC71 ⋊ H(3,𝔽7)

Subgroups

subgroupG/H
center, FrattiniC7C7×C71⋊C7
commutator, socle, cosocleC7×C71C72
FittingC72×C71C7
hypercenterC72C71⋊C7
hypocenterC71H(3,𝔽7)
LCSG ▷ C7×C71 ▷ C71
UCSC1 ◁ C7 ◁ C72

38 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 3479

Polycyclic presentation:

7^3,71|b^a=bc,d^b=d^45

Conjugacy classes & character table

545 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(24353, 9);