Finite Group Databasebeta

#11998799

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

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #9779

Subgroups

subgroupG/H
centerC22#65277
commutatorC42×C5C22×C4
FrattiniC2×C42C22×D5
FittingC5×#1837C2
socleC22×C5#390
prime radicalC23×C5#124
cosocleC2×C42×C5C23
hypercenter#1837D5
hypocenterC5#9779
LCSG ▷ C42×C5 ▷ C22×C5 ▷ C5
UCSC1 ◁ C22 ◁ C2×C42 ◁ #1837

454 conjugacy classes of subgroups; only the 119 normal subgroups are shown.

normal subgroups only

This group has 454 conjugacy classes of subgroups — too many to draw. Only its 119 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=dfg,c^2=egh,d^2=gh,e^2=h,f^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eh,c^b=cg,d^b=dh,f^b=fh,i^b=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, 69067);