Finite Group Databasebeta

#30657291

order16448
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Splittings

FittingC4×Q8×C257 ⋊ C2
SylowC257 ⋊ #533

Subgroups

subgroupG/H
centerC2×C4C22×D257
commutator, socle, cosocleC22×C257C24
FrattiniC22C23×D257
FittingC4×Q8×C257C2
prime radicalC22×D257C23
hypercenterC4×Q8D257
hypocenterC257#533
LCSG ▷ C22×C257 ▷ C257
UCSC1 ◁ C2×C4 ◁ C4×Q8

222 conjugacy classes of subgroups; only the 109 normal subgroups are shown.

normal subgroups only

This group has 222 conjugacy classes of subgroups — too many to draw. Only its 109 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8224

Polycyclic presentation:

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

Conjugacy classes & character table

2588 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45662721, #45662739, #45662773, …
maximal normal subgroup of#45662721, #45662739, #45662773, …
maximal quotient of#45666724, #45666794, #45666796, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1103);