Finite Group Databasebeta

#30656739

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

Aliases

No aliases for this group.

Splittings

FittingC2×M16×C257 ⋊ C2
SylowC257 ⋊ #417

Subgroups

subgroupG/H
centerC22C2×D1028
commutatorC4×C257C22×C4
FrattiniC2×C4C22×D257
FittingC2×M16×C257C2
socleC22×C257C2×D4
prime radicalC2×#16861618C2
cosocleC2×C4×C257C23
hypercenterC2×M16D257
hypocenterC257#417
LCSG ▷ C4×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×M16

162 conjugacy classes of subgroups; only the 63 normal subgroups are shown.

normal subgroups only

This group has 162 conjugacy classes of subgroups — too many to draw. Only its 63 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=e,d^2=f,b^a=bd,d^a=df,g^a=g^256,c^b=cf,d^b=df,g^b=g^256

Conjugacy classes & character table

2582 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45664275, #45664276, #45664280, …
maximal normal subgroup of#45664275, #45664276, #45664280, …
maximal quotient of#45662708, #45662734, #45662760, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 551);