Finite Group Databasebeta

#30656905

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

Aliases

No aliases for this group.

Splittings

FittingH(5,𝔽2)×C257 ⋊ C2
SylowC257 ⋊ #453

Subgroups

subgroupG/H
centerC2#22551561
commutator, cosocleC2×C4×C257C23
FrattiniC2×C4C22×D257
FittingH(5,𝔽2)×C257C2
socleC2×C257#120
hypercenterH(5,𝔽2)D257
hypocenterC257#453
LCSG ▷ C2×C4×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C2 ◁ C2×C4 ◁ H(5,𝔽2)

168 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2056

Polycyclic presentation:

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

Conjugacy classes & character table

2192 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45666302, #45666314, #45666324, …
maximal normal subgroup of#45666302, #45666314, #45666324, …
maximal quotient of#45663238, #45663243, #45663266, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 717);