Finite Group Databasebeta

#13021601

order1280
automorphism?
homologyAbelianization (H1) = C43 · Schur multiplier (H2) = C22×C42

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #10705

Subgroups

subgroupG/H
centerC23C2×C4⋊AGL(1,𝔽5)
commutatorC4×C5C43
FrattiniC22×C4C22×AGL(1,𝔽5)
FittingC2×C5×#97C4
socleC23×C5C2×C4⋊C4
prime radicalC23×D5C2×Q8
cosocleC22×C4×D5C23
hypercenterC2×#97AGL(1,𝔽5)
hypocenterC5#10705
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C23 ◁ C2×C42 ◁ C2×#97

870 conjugacy classes of subgroups; only the 276 normal subgroups are shown.

normal subgroups only

This group has 870 conjugacy classes of subgroups — too many to draw. Only its 276 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=e,b^2=f,c^2=g,d^2=h,e^2=h,f^2=h,b^a=bd,d^a=dh,f^a=fh,i^a=i^2,c^b=ch,i^e=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, 1091869);