Finite Group Databasebeta

#11994227

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

Aliases

No aliases for this group.

Splittings

FittingC2×C5×#329 ⋊ C2
SylowC5 ⋊ #9001

Subgroups

subgroupG/H
centerC23#4028
commutatorC42×C5C22×C4
FrattiniC2×C42C22×D5
FittingC2×C5×#329C2
socleC23×C5#120
prime radicalC2×#65347C2
cosocleC2×C42×C5C23
hypercenterC2×#329D5
hypocenterC5#9001
LCSG ▷ C42×C5 ▷ C22×C5 ▷ C5
UCSC1 ◁ C23 ◁ C2×C42 ◁ C2×#329

662 conjugacy classes of subgroups; only the 111 normal subgroups are shown.

normal subgroups only

This group has 662 conjugacy classes of subgroups — too many to draw. Only its 111 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,d^2=g,e^2=gh,f^2=g,b^a=bd,c^a=ce,e^a=eg,d^b=dg,e^b=eh,f^b=fg,i^b=i^4,d^c=dh,e^c=egh,f^c=fh

Conjugacy classes & character table

116 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 64495);