Finite Group Databasebeta

#30657205

order16448
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

Fitting#117×C257 ⋊ C2
SylowC257 ⋊ C4×#41

Subgroups

subgroupG/H
centerC2×C4C22×D257
commutatorC2×C257C23×C4
FrattiniC22C23×D257
Fitting#117×C257C2
socle, cosocleC22×C257C24
prime radicalC2×#16861618C2
hypercenter#117D257
hypocenterC257C4×#41
LCSG ▷ C2×C257 ▷ C257
UCSC1 ◁ C2×C4 ◁ #117

310 conjugacy classes of subgroups; only the 155 normal subgroups are shown.

normal subgroups only

This group has 310 conjugacy classes of subgroups — too many to draw. Only its 155 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,g^c=g^256

Conjugacy classes & character table

2600 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45664124, #45664129, #45664339, …
maximal normal subgroup of#45664124, #45664129, #45664339, …
maximal quotient of#45666659, #117×Dic257, C4×#22551552, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1017);