Finite Group Databasebeta

C25×D391 #34086367

order19550
automorphism?
homologyAbelianization (H1) = C2×C25 · Schur multiplier (H2) = C1

Aliases

direct productC25×D391
unambiguous semidirect productC17⋊(C25×D23)
unambiguous semidirect productC23⋊(C25×D17)

Splittings

Fitting, HallC17×C23×C25 ⋊ C2
derived, HallC17×C23 ⋊ C2×C25
HallC23×C25 ⋊ D17
HallC17×C25 ⋊ D23
SylowC23 ⋊ C25×D17
SylowC17 ⋊ C25×D23

Subgroups

subgroupG/H
center, hypercenterC25D391
commutator, hypocenterC17×C23C2×C25
FrattiniC5C5×D391
FittingC17×C23×C25C2
socle, cosocleC5×C17×C23C2×C5
prime radicalC5×D391C5
LCSG ▷ C17×C23
UCSC1 ◁ C25

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9775

Conjugacy classes & character table

4925 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19550, 4);