Finite Group Databasebeta

#30657112

order16448
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Splittings

FittingC2×D8×C257 ⋊ C2
SylowC257 ⋊ #493

Subgroups

subgroupG/H
centerC22D4×D257
commutator, cosocleC2×C4×C257C23
FrattiniC2×C4C22×D257
FittingC2×D8×C257C2
socleC22×C257C2×D4
hypercenterC2×D8D257
hypocenterC257#493
LCSG ▷ C2×C4×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×D8

162 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8224

Polycyclic presentation:

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

Conjugacy classes & character table

1814 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45666353, #45666354, #45666358, …
maximal normal subgroup of#45666353, #45666354, #45666358, …
maximal quotient of#45663909, #45663911, #45663913, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 924);