Finite Group Databasebeta

D5×D1557 #44528136

order31140
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD5×D1557
unambiguous semidirect product(C9×D5)⋊D173
unambiguous semidirect product(D5×C173)⋊D9

Splittings

Fitting, derived, HallC5×C9×C173 ⋊ C22
HallC9×C173 ⋊ C2×D5
HallC5×C173 ⋊ C2×D9
SylowC173 ⋊ D5×D9
HallC5×C9 ⋊ C2×D173
SylowC9 ⋊ D5×D173
SylowC5 ⋊ C2×D1557

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC5×C9×C173C22
FrattiniC3D5×D519
socleC3×C5×C173C2×D3
LCSG ▷ C5×C9×C173
UCSC1

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7785

Conjugacy classes & character table

3120 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31140, 26);