Finite Group Databasebeta

C2×#22551557 #30657201

order16448
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

direct productC2×#22551557

Splittings

SylowC257 ⋊ C2×C4×Q8

Subgroups

subgroupG/H
centerC23C22×D257
commutatorC2×C257C23×C4
FrattiniC22C23×D257
FittingC2×C4⋊C4×C257C2
socle, prime radicalC23×C257C23
cosocleC22×C257C24
hypercenterC2×C4⋊C4D257
hypocenterC257C2×C4×Q8
LCSG ▷ C2×C257 ▷ C257
UCSC1 ◁ C23 ◁ C2×C4⋊C4

298 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 16448

Conjugacy classes & character table

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

Relationships

maximal subgroup of#45662642, #45662662, #45664115, …
maximal normal subgroup of#45662642, #45662662, #45664115, …
maximal quotient ofC2×#30656588, C2×C4⋊C4×Dic257, C4×#22551557, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1013);