Finite Group Databasebeta

C5×Dic3×C257 #29507129

order15420
isoclinismisoclinic class of D3
automorphism?
homologyAbelianization (H1) = C4×C5×C257 · Schur multiplier (H2) = C1

Aliases

direct productC5×Dic3×C257
unambiguous semidirect productC3⋊(C4×C5×C257)

Splittings

derived, SylowC3 ⋊ C4×C5×C257
HallC3×C5×C257 ⋊ C4
HallC3×C257 ⋊ C4×C5
HallC3×C5 ⋊ C4×C257

Subgroups

subgroupG/H
center, hypercenterC2×C5×C257D3
commutator, hypocenterC3C4×C5×C257
FrattiniC2C5×D3×C257
Fitting, socle, prime radicalC2×C3×C5×C257C2
cosocleC2×C3C2×C5×C257
LCSG ▷ C3
UCSC1 ◁ C2×C5×C257

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 15420

Conjugacy classes & character table

7710 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15420, 5);