Finite Group Databasebeta

#13031477

order1280
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #17828

Subgroups

subgroupG/H
centerC22C22×C4⋊AGL(1,𝔽5)
commutatorC2×C4×C5C23×C4
FrattiniC2×C4C23×AGL(1,𝔽5)
FittingC5×C8×Q8C4
socleC22×C5C22×C4⋊C4
prime radicalC2×#713D4
cosocleC4×Dic5C24
hypercenterC8×Q8AGL(1,𝔽5)
hypocenterC5#17828
LCSG ▷ C2×C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C4×Q8 ◁ C8×Q8

702 conjugacy classes of subgroups; only the 270 normal subgroups are shown.

normal subgroups only

This group has 702 conjugacy classes of subgroups — too many to draw. Only its 270 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,b^2=eg,e^2=g,f^2=h,b^a=be,e^a=eg,i^a=i^2,i^b=i^4,d^c=dh,i^c=i^4,i^d=i^4,i^f=i^4

Conjugacy classes & character table

110 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1101745);