Finite Group Databasebeta

D421⋊(C4⋊C8) #41003841

order26944
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD421⋊(C4⋊C8)

Splittings

SylowC421 ⋊ C2×C4⋊C8

Subgroups

subgroupG/H
centerC2×C4C2×#13132997
commutatorC2×C421C22×C8
FrattiniC22C22×#13132997
FittingC42×C421C4
socleC22×C421C22×C4
prime radicalC22×D421C2×C4
cosocleC2×Dic421C23
hypercenterC42#13132997
hypocenterC421C2×C4⋊C8
LCSG ▷ C2×C421 ▷ C421
UCSC1 ◁ C2×C4 ◁ C42

138 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 13472

Polycyclic presentation:

2^6,421|a^2=e,b^2=d,e^2=f,b^a=bd,g^a=g^29,g^c=g^420,g^e=g^420

Conjugacy classes & character table

1720 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(26944, 1550);