Finite Group Databasebeta

C23×D425 #34086370

order19550
automorphism?
homologyAbelianization (H1) = C2×C23 · Schur multiplier (H2) = C1

Aliases

direct productC23×D425
unambiguous semidirect productC17⋊(C23×D25)
unambiguous semidirect productC25⋊(C23×D17)

Splittings

Fitting, HallC17×C23×C25 ⋊ C2
derived, HallC17×C25 ⋊ C2×C23
HallC23×C25 ⋊ D17
HallC17×C23 ⋊ D25
SylowC25 ⋊ C23×D17
SylowC17 ⋊ C23×D25

Subgroups

subgroupG/H
center, hypercenterC23D425
commutator, cosocle, hypocenterC17×C25C2×C23
FrattiniC5C23×D85
FittingC17×C23×C25C2
socleC5×C17×C23D5
LCSG ▷ C17×C25
UCSC1 ◁ C23

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9775

Conjugacy classes & character table

4922 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19550, 7);