Finite Group Databasebeta

D5⋊#1315 #13023089

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

Aliases

unambiguous semidirect productD5⋊#1315

Splittings

SylowC5 ⋊ C2×#1315

Subgroups

subgroupG/H
centerC2×C4C2×C22⋊AGL(1,𝔽5)
commutatorC2×C4×C5C22×C8
FrattiniC22×C4C22×AGL(1,𝔽5)
FittingC5×#408C4
socleC22×C5C2×C22⋊C8
prime radicalC2×D5×#41C4
cosocleC22×#168C23
hypercenter#408AGL(1,𝔽5)
hypocenterC5C2×#1315
LCSG ▷ C2×C4×C5 ▷ C22×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C22×C8 ◁ #408

534 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 534 conjugacy classes of subgroups — too many to draw. Only its 98 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=e,d^2=h,e^2=g,g^2=h,b^a=bd,d^a=df,i^a=i^2,d^b=dh,e^b=efh,i^c=i^4,i^e=i^4

Conjugacy classes & character table

104 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1093357);