Finite Group Databasebeta

#13015284

order1280
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #7850

Subgroups

subgroupG/H
center, FrattiniC22×C4C22×AGL(1,𝔽5)
commutator, socleC23×C5C2×C42
FittingC2×C5×#97C4
prime radicalC23×D5C42
cosocleC2×C4×Dic5C23
hypercenterC2×#97AGL(1,𝔽5)
hypocenterC5#7850
LCSG ▷ C23×C5 ▷ C5
UCSC1 ◁ C22×C4 ◁ C2×#97

674 conjugacy classes of subgroups; only the 196 normal subgroups are shown.

normal subgroups only

This group has 674 conjugacy classes of subgroups — too many to draw. Only its 196 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,e^2=g,f^2=h,b^a=bd,c^a=ch,i^a=i^3,c^b=cg,i^b=i^2,i^c=i^4,i^e=i^4,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, 1085552);