Finite Group Databasebeta

C31×C19⋊#261 #44499550

order30628
automorphism?
homologyAbelianization (H1) = C4×C31 · Schur multiplier (H2) = C1

Aliases

direct productC31×C19⋊#261
unambiguous semidirect productC19⋊(C31×#261)

Splittings

Fitting, socle, HallC13×C19×C31 ⋊ C4
derived, HallC13×C19 ⋊ C4×C31
HallC19×C31 ⋊ #261
HallC13×C31 ⋊ Dic19
SylowC19 ⋊ C31×#261
SylowC13 ⋊ C31×Dic19

Subgroups

subgroupG/H
center, hypercenterC31C19⋊#261
commutator, hypocenterC13×C19C4×C31
FrattiniC1G
Fitting, socleC13×C19×C31C4
prime radicalC19×D13×C31C2
cosocleC19×D13C2×C31
LCSG ▷ C13×C19
UCSC1 ◁ C31

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7657

Conjugacy classes & character table

2449 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30628, 13);