Finite Group Databasebeta

#12017123

order1280
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

FittingC5×#1382 ⋊ C2
SylowC5 ⋊ #13134

Subgroups

subgroupG/H
centerC2×C4D5×D8
commutatorC2×C5×C8C22×C4
FrattiniC22×C8C22×D5
FittingC5×#1382C2
socleC22×C5C4×D8
prime radicalC2×#4050C22
cosocleC22×C5×C8C23
hypercenter#1382D5
hypocenterC5#13134
LCSG ▷ C2×C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ C22×C8 ◁ #1382

324 conjugacy classes of subgroups; only the 97 normal subgroups are shown.

normal subgroups only

This group has 324 conjugacy classes of subgroups — too many to draw. Only its 97 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) = 320

Polycyclic presentation:

2^8,5|a^2=f,b^2=df,c^2=d,e^2=gh,f^2=h,g^2=h,b^a=bd,c^a=ce,e^a=eg,g^a=gh,i^b=i^4,e^c=eg,g^c=gh

Conjugacy classes & character table

146 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 87391);