Finite Group Databasebeta

#30656709

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

Aliases

No aliases for this group.

Splittings

Fitting#99×C257 ⋊ C2
SylowC257 ⋊ #410

Subgroups

subgroupG/H
centerC2C22⋊C4×D257
commutatorC22×C257C22×C4
FrattiniC23C22×D257
Fitting#99×C257C2
socleC2×C257C2×C22⋊C4
prime radicalC2×#16861617C2
cosocleC23×C257C23
hypercenter#99D257
hypocenterC257#410
LCSG ▷ C22×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C2 ◁ C23 ◁ #99

158 conjugacy classes of subgroups; only the 51 normal subgroups are shown.

normal subgroups only

This group has 158 conjugacy classes of subgroups — too many to draw. Only its 51 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) = 4112

Polycyclic presentation:

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

Conjugacy classes & character table

1430 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45665958, #45665960, #45665968, …
maximal normal subgroup of#45665958, #45665960, #45665968, …
maximal quotient of#45662631, #45662633, #45662639, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 521);