Finite Group Databasebeta

#12012763

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

Aliases

No aliases for this group.

Splittings

FittingC5×#2247 ⋊ C2
SylowC5 ⋊ #12322

Subgroups

subgroupG/H
centerC22#65445
commutator, cosocleC4×C5×C8C23
FrattiniC4×C8C22×D5
FittingC5×#2247C2
socleC22×C5#447
prime radicalC2×D20D8
hypercenter#2247D5
hypocenterC5#12322
LCSG ▷ C4×C5×C8 ▷ C2×C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C42 ◁ C4×C8 ◁ #2247

368 conjugacy classes of subgroups; only the 69 normal subgroups are shown.

normal subgroups only

This group has 368 conjugacy classes of subgroups — too many to draw. Only its 69 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=h,b^2=h,d^2=fh,e^2=g,f^2=h,b^a=bd,c^a=ce,d^a=df,e^a=eg,f^a=fh,d^b=df,e^b=eg,f^b=fh,d^c=dg,e^c=eg,i^c=i^4

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, 83031);