Finite Group Databasebeta

D23×D215 #34089919

order19780
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD23×D215
unambiguous semidirect product(C5×D23)⋊D43
unambiguous semidirect product(C43×D23)⋊D5

Splittings

Fitting, socle, derived, HallC5×C23×C43 ⋊ C22
HallC23×C43 ⋊ C2×D5
HallC5×C43 ⋊ C2×D23
HallC5×C23 ⋊ C2×D43
SylowC43 ⋊ D5×D23
SylowC23 ⋊ C2×D215
SylowC5 ⋊ D23×D43

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC5×C23×C43C22
LCSG ▷ C5×C23×C43
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4945

Conjugacy classes & character table

1417 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19780, 18);