Finite Group Databasebeta

D5⋊#1830 #13034415

order1280
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

unambiguous semidirect productD5⋊#1830

Splittings

SylowC5 ⋊ C2×#1830

Subgroups

subgroupG/H
centerC2C2×#65764
commutatorC23×C5C23×C4
FrattiniC23C23×AGL(1,𝔽5)
FittingC5×#519C4
socleC2×C5C2×#381
prime radicalC23×D5C22×C4
cosocleC22×Dic5C24
hypercenter#519AGL(1,𝔽5)
hypocenterC5C2×#1830
LCSG ▷ C23×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C22×C4 ◁ #519

1218 conjugacy classes of subgroups; only the 262 normal subgroups are shown.

normal subgroups only

This group has 1218 conjugacy classes of subgroups — too many to draw. Only its 262 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) = 160

Polycyclic presentation:

2^8,5|a^2=g,b^2=h,c^2=e,g^2=h,b^a=be,c^a=cf,e^a=eh,i^a=i^2,g^b=gh,f^c=fh,i^d=i^4,i^g=i^4

Conjugacy classes & character table

92 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1104683);