Finite Group Databasebeta

#13022993

order1280
automorphism?
homologyAbelianization (H1) = C2×C4×C8 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #11404

Subgroups

subgroupG/H
centerC42C4×AGL(1,𝔽5)
commutatorC4×C5C2×C4×C8
FrattiniC2×C8C22×AGL(1,𝔽5)
FittingC4×C5×C16C4
socleC22×C5C2×#97
prime radicalC22×D5#97
cosocleC8×Dic5C23
hypercenterC4×C16AGL(1,𝔽5)
hypocenterC5#11404
LCSG ▷ C4×C5 ▷ C5
UCSC1 ◁ C42 ◁ C4×C16

298 conjugacy classes of subgroups; only the 144 normal subgroups are shown.

normal subgroups only

This group has 298 conjugacy classes of subgroups — too many to draw. Only its 144 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=d,b^2=e,d^2=f,e^2=g,f^2=h,b^a=bf,c^a=ch,e^a=eh,d^b=dh,i^b=i^2,i^c=i^4,i^e=i^4

Conjugacy classes & character table

152 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1093261);