Finite Group Databasebeta

#12011016

order1280
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

FittingC5×#1370 ⋊ C2
SylowC5 ⋊ #12039

Subgroups

subgroupG/H
centerC2×C8D4×D5
commutatorC2×C4×C5C22×C8
FrattiniC4×C8C22×D5
FittingC5×#1370C2
socleC22×C5C8×D4
prime radicalC2×D40C8
cosocleC4×C5×C8C23
hypercenter#1370D5
hypocenterC5#12039
LCSG ▷ C2×C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C8 ◁ C4×C8 ◁ #1370

242 conjugacy classes of subgroups; only the 87 normal subgroups are shown.

normal subgroups only

This group has 242 conjugacy classes of subgroups — too many to draw. Only its 87 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,c^2=e,d^2=f,e^2=g,g^2=h,b^a=bd,c^a=ch,d^a=df,c^b=ch,d^b=df,i^b=i^4,i^c=i^4

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 81284);