Finite Group Databasebeta

#30657109

order16448
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

SylowC257 ⋊ #492

Subgroups

subgroupG/H
centerC22C2×C22⋊D257
commutator, cosocleC2×C4×C257C23
FrattiniC2×C4C22×D257
Fitting, prime radical#127×C257C2
socleC22×C257C2×D4
hypercenter#127D257
hypocenterC257#492
LCSG ▷ C2×C4×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C22 ◁ C42 ◁ #127

142 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8224

Polycyclic presentation:

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

Conjugacy classes & character table

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

Relationships

maximal subgroup of#45662484, #45663390, #45663391, …
maximal normal subgroup of#45662484, #45663390, #45663391, …
maximal quotient of#45663906, #45663909, #45663914, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 921);