Finite Group Databasebeta

#13027530

order1280
automorphism?
homologyAbelianization (H1) = C2×C4×C16 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

FittingC5×M64 ⋊ C4
SylowC5 ⋊ #13549

Subgroups

subgroupG/H
center, FrattiniC16C22×AGL(1,𝔽5)
commutator, socleC2×C5C2×C4×C16
FittingC5×M64C4
prime radicalC22×D5C2×C16
cosocleD5×C16C23
hypercenterM64AGL(1,𝔽5)
hypocenterC5#13549
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C16 ◁ M64

238 conjugacy classes of subgroups; only the 126 normal subgroups are shown.

normal subgroups only

This group has 238 conjugacy classes of subgroups — too many to draw. Only its 126 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) = 320

Polycyclic presentation:

2^8,5|a^2=d,b^2=e,d^2=f,f^2=g,g^2=h,i^a=i^3,c^b=ch,i^b=i^2,i^d=i^4,i^e=i^4

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1097798);