Finite Group Databasebeta

#13026496

order1280
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #12845

Subgroups

subgroupG/H
center, FrattiniC22×C4C22×AGL(1,𝔽5)
commutator, socleC23×C5C22×C8
FittingC2×C5×#117C4
prime radicalC24×C5C2×C8
cosocleC22×#168C23
hypercenterC2×#117AGL(1,𝔽5)
hypocenterC5#12845
LCSG ▷ C23×C5 ▷ C5
UCSC1 ◁ C22×C4 ◁ C2×#117

454 conjugacy classes of subgroups; only the 140 normal subgroups are shown.

normal subgroups only

This group has 454 conjugacy classes of subgroups — too many to draw. Only its 140 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) = 640

Polycyclic presentation:

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

Conjugacy classes & character table

128 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1096764);