Finite Group Databasebeta

#13046128

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

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, socleC22C2×(C24⋊C5)⋊C2
commutator, cosocle, hypocenter#564⋊C5C22
Fitting#3531D5
prime radical#3531⋊C5C2
hypercenterC2×C4(C24⋊C5)⋊C2
LCSG ▷ #564⋊C5
UCSC1 ◁ C22 ◁ C2×C4

252 conjugacy classes of subgroups; only the 15 normal subgroups are shown.

normal subgroups only

This group has 252 conjugacy classes of subgroups — too many to draw. Only its 15 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) = 256

Polycyclic presentation:

2,5,2^7|a^2=i,c^2=i,d^2=h,e^2=hi,f^2=i,g^2=h,b^a=b^4,c^a=cdef,d^a=df,e^a=efh,f^a=fi,g^a=gh,c^b=ce,d^b=dfh,e^b=cef,f^b=cdi,d^c=dh,e^c=ehi,f^c=fh,e^d=ehi,f^d=fi,f^e=fi

Conjugacy classes & character table

38 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1116396);