Finite Group Databasebeta

C19×Dic275 #35229826

order20900
automorphism?
homologyAbelianization (H1) = C4×C19 · Schur multiplier (H2) = C1

Aliases

direct productC19×Dic275
unambiguous semidirect productC11⋊(C19×Dic25)

Splittings

derived, HallC11×C25 ⋊ C4×C19
HallC11×C19×C25 ⋊ C4
HallC19×C25 ⋊ Dic11
HallC11×C19 ⋊ Dic25
SylowC25 ⋊ C19×Dic11
SylowC11 ⋊ C19×Dic25

Subgroups

subgroupG/H
center, hypercenterC2×C19D275
commutator, hypocenterC11×C25C4×C19
FrattiniC2×C5C19×D55
FittingC2×C11×C19×C25C2
socle, prime radicalC2×C5×C11×C19D5
cosocleC2×C11×C25C2×C19
LCSG ▷ C11×C25
UCSC1 ◁ C2×C19

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 20900

Conjugacy classes & character table

5282 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20900, 8);