Finite Group Databasebeta

#13026467

order1280
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

FittingC5×#441 ⋊ C4
SylowC5 ⋊ #12827

Subgroups

subgroupG/H
centerC2#10604418
commutatorC2×C5×C8C22×C4
FrattiniC2×C8C22×AGL(1,𝔽5)
FittingC5×#441C4
socleC2×C5#1804
prime radicalC22×D5AGL(1,ℤ/8)
cosocleC2×C8×D5C23
hypercenter#441AGL(1,𝔽5)
hypocenterC5#12827
LCSG ▷ C2×C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C2×C4 ◁ #97 ◁ #441

376 conjugacy classes of subgroups; only the 86 normal subgroups are shown.

normal subgroups only

This group has 376 conjugacy classes of subgroups — too many to draw. Only its 86 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=f,b^2=dg,c^2=h,d^2=h,e^2=gh,g^2=h,b^a=bd,c^a=ce,e^a=eg,g^a=gh,i^a=i^2,e^b=eh,f^b=fh,d^c=dh,e^c=eg,g^c=gh,i^f=i^4

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1096735);