Finite Group Databasebeta

C2×D4×Dic257 #30657198

order16448
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC2×D4×Dic257

Splittings

SylowC257 ⋊ C2×C4×D4

Subgroups

subgroupG/H
centerC23C22×D257
commutatorC2×C257C23×C4
FrattiniC22C23×D257
Fitting, prime radicalC22×D4×C257C2
socleC23×C257C23
cosocleC22×C257C24
hypercenterC22×D4D257
hypocenterC257C2×C4×D4
LCSG ▷ C2×C257 ▷ C257
UCSC1 ◁ C23 ◁ C22×D4

426 conjugacy classes of subgroups; only the 215 normal subgroups are shown.

normal subgroups only

This group has 426 conjugacy classes of subgroups — too many to draw. Only its 215 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

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

Relationships

maximal subgroup of#99×Dic257, #100×Dic257, #102×Dic257, …
maximal normal subgroup of#99×Dic257, #100×Dic257, #102×Dic257, …
maximal quotient ofC2×C22⋊C4×Dic257, C2×C4⋊C4×Dic257, C4×D4×Dic257, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1010);