Finite Group Databasebeta

C2×C22⋊C4×D257 #30657183

order16448
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

direct productC2×C22⋊C4×D257

Splittings

FittingC2×C22⋊C4×C257 ⋊ C2
SylowC257 ⋊ C22×C22⋊C4

Subgroups

subgroupG/H
centerC23C22×D257
commutatorC2×C257C23×C4
FrattiniC22C23×D257
FittingC2×C22⋊C4×C257C2
socleC23×C257C23
prime radicalC24×D257C2
cosocleC22×C257C24
hypercenterC2×C22⋊C4D257
hypocenterC257C22×C22⋊C4
LCSG ▷ C2×C257 ▷ C257
UCSC1 ◁ C23 ◁ C2×C22⋊C4

674 conjugacy classes of subgroups; only the 207 normal subgroups are shown.

normal subgroups only

This group has 674 conjugacy classes of subgroups — too many to draw. Only its 207 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

2600 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#323×D257, #45662645, #342×D257, …
maximal normal subgroup of#323×D257, #45662645, #342×D257, …
maximal quotient ofC2×#95×D257, C4×C22⋊C4×D257, C2×#30656584, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 995);