Finite Group Databasebeta

D5⋊#1372 #13025067

order1280
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD5⋊#1372

Splittings

SylowC5 ⋊ C2×#1372

Subgroups

subgroupG/H
centerC2×C4#3994
commutatorC5×C8C22×C8
FrattiniC2×C8C22×AGL(1,𝔽5)
FittingC4×C5×C16C4
socleC22×C5C2×#107
prime radicalC22×D5#107
cosocleC8×Dic5C23
hypercenterC4×C16AGL(1,𝔽5)
hypocenterC5C2×#1372
LCSG ▷ C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C42 ◁ C4×C8 ◁ C4×C16

262 conjugacy classes of subgroups; only the 118 normal subgroups are shown.

normal subgroups only

This group has 262 conjugacy classes of subgroups — too many to draw. Only its 118 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,b^2=dfh,d^2=fh,e^2=g,f^2=h,b^a=bd,d^a=df,f^a=fh,i^a=i^2,i^c=i^4,i^e=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, 1095335);