Finite Group Databasebeta

D4⋊#3928 #13014179

order1280
automorphism?
homologyAbelianization (H1) = C2×C32 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productD4⋊#3928

Splittings

SylowC5 ⋊ D4⋊C32

Subgroups

subgroupG/H
centerC2×C8C22⋊AGL(1,𝔽5)
commutatorC4×C5C2×C32
FrattiniC4×C8C2×AGL(1,𝔽5)
FittingC5×C8×D4C4
socleC22×C5C22⋊C16
prime radicalC2×C5×D4C16
cosocleC4×#672C22
hypercenterC8×D4AGL(1,𝔽5)
hypocenterC5D4⋊C32
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C8 ◁ C4×C8 ◁ C8×D4

138 conjugacy classes of subgroups; only the 60 normal subgroups are shown.

normal subgroups only

This group has 138 conjugacy classes of subgroups — too many to draw. Only its 60 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=d,c^2=e,d^2=f,f^2=g,g^2=h,b^a=bc,c^a=ce,i^a=i^2,c^b=ce,i^d=i^4

Conjugacy classes & character table

152 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1084447);