Finite Group Databasebeta

D15×C257 #21440494

order7710
isoclinismisoclinic class of D15
automorphism?
homologyAbelianization (H1) = C2×C257 · Schur multiplier (H2) = C1

Aliases

direct productD15×C257
unambiguous semidirect productC3⋊(D5×C257)
unambiguous semidirect productC5⋊(D3×C257)

Splittings

Fitting, socle, HallC3×C5×C257 ⋊ C2
derived, HallC3×C5 ⋊ C2×C257
HallC5×C257 ⋊ D3
HallC3×C257 ⋊ D5
SylowC5 ⋊ D3×C257
SylowC3 ⋊ D5×C257

Subgroups

subgroupG/H
center, hypercenterC257D15
commutator, hypocenterC3×C5C2×C257
FrattiniC1G
Fitting, socleC3×C5×C257C2
LCSG ▷ C3×C5
UCSC1 ◁ C257

16 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

2313 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD15×D257, D3×D5×C257, D15⋊D257, …
maximal normal subgroup ofD15×D257, D3×D5×C257, D15⋊D257, …
maximal quotient ofDic15×C257, C2×D15×C257, D45×C257, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7710, 7);