Finite Group Databasebeta

#30656508

order16448
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

SylowC257 ⋊ #344

Subgroups

subgroupG/H
centerC4C22⋊Dic257
commutatorC22×C257C42
FrattiniC22×C4C2×D257
FittingC2×M16×C257C2
socleC2×C257#95
prime radicalC23×C257C2×C4
cosocleC22×C4×C257C22
hypercenterC2×M16D257
hypocenterC257#344
LCSG ▷ C22×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C4 ◁ C22×C4 ◁ C2×M16

90 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4112

Polycyclic presentation:

2^6,257|a^2=d,b^2=e,e^2=f,b^a=bc,c^a=cf,g^a=g^256,d^b=df

Conjugacy classes & character table

2582 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#344×D257, C2×#30656508, #45664119, …
maximal normal subgroup of#344×D257, C2×#30656508, #45664119, …
maximal quotient of#45662165, #45662167, #45662170, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 320);