Finite Group Databasebeta

C8×C22⋊D257 #30656801

order16448
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23

Aliases

direct productC8×C22⋊D257

Splittings

FittingC22×C8×C257 ⋊ C2
SylowC257 ⋊ C8×D4

Subgroups

subgroupG/H
centerC2×C8C2×D257
commutatorC2×C257C22×C8
FrattiniC2×C4C22×D257
FittingC22×C8×C257C2
socleC22×C257C22×C4
prime radicalC2×C22⋊D257C4
cosocleC2×C4×C257C23
hypercenterC22×C8D257
hypocenterC257C8×D4
LCSG ▷ C2×C257 ▷ C257
UCSC1 ◁ C2×C8 ◁ C22×C8

134 conjugacy classes of subgroups; only the 63 normal subgroups are shown.

normal subgroups only

This group has 134 conjugacy classes of subgroups — too many to draw. Only its 63 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) = 8224

Conjugacy classes & character table

4136 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45666137, C16×C22⋊D257, #45666142, …
maximal normal subgroup of#45666137, C16×C22⋊D257, #45666142, …
maximal quotient ofC8×#16861603, C8×#16861606, C8×#16861605, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 613);