Finite Group Databasebeta

#123×D257 #30657237

order16448
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct product#123×D257

Splittings

Fitting#123×C257 ⋊ C2
SylowC257 ⋊ C2×#123

Subgroups

subgroupG/H
center, FrattiniC22C23×D257
commutator, socle, cosocleC22×C257C24
Fitting#123×C257C2
prime radicalC2×D4×D257C2
hypercenter#123D257
hypocenterC257C2×#123
LCSG ▷ C22×C257 ▷ C257
UCSC1 ◁ C22 ◁ #123

342 conjugacy classes of subgroups; only the 111 normal subgroups are shown.

normal subgroups only

This group has 342 conjugacy classes of subgroups — too many to draw. Only its 111 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4112

Conjugacy classes & character table

1820 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#352×D257
maximal normal subgroup of#352×D257
maximal quotient of#381×D257, #385×D257, #386×D257, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1049);