Finite Group Databasebeta

C7×D23×D31 #34093189

order19964
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×D23×D31
unambiguous semidirect product(C31×D23)⋊(C2×C7)
unambiguous semidirect product(C23×D31)⋊(C2×C7)
unambiguous semidirect productD713⋊(C2×C7)

Splittings

Fitting, socle, HallC7×C23×C31 ⋊ C22
derived, HallC23×C31 ⋊ C22×C7
HallC7×C31 ⋊ C2×D23
HallC7×C23 ⋊ C2×D31
SylowC31 ⋊ C2×C7×D23
SylowC23 ⋊ C2×C7×D31

Subgroups

subgroupG/H
center, hypercenterC7D23×D31
commutator, cosocle, hypocenterC23×C31C22×C7
FrattiniC1G
Fitting, socleC7×C23×C31C22
LCSG ▷ C23×C31
UCSC1 ◁ C7

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4991

Conjugacy classes & character table

1547 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19964, 10);