Finite Group Databasebeta

#11987397

order1280
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Splittings

FittingC5×#1272 ⋊ C2
SylowC5 ⋊ #7597

Subgroups

subgroupG/H
centerC23D5×C22⋊C4
commutatorC2×C4×C5C22×C8
FrattiniC2×C42C22×D5
FittingC5×#1272C2
socleC23×C5C2×C22⋊C4
prime radicalC22×#713C4
cosocleC2×C42×C5C23
hypercenter#1272D5
hypocenterC5#7597
LCSG ▷ C2×C4×C5 ▷ C22×C5 ▷ C5
UCSC1 ◁ C23 ◁ C2×C42 ◁ #1272

654 conjugacy classes of subgroups; only the 117 normal subgroups are shown.

normal subgroups only

This group has 654 conjugacy classes of subgroups — too many to draw. Only its 117 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=g,d^2=g,e^2=h,b^a=bd,c^a=cg,d^a=df,d^b=dg,e^b=efg,i^b=i^4,i^c=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, 57665);