Finite Group Databasebeta

#35206291

order20512
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

FittingD8×C641 ⋊ C2
SylowC641 ⋊ D16

Subgroups

subgroupG/H
centerC2#23779642
commutator, cosocleC8×C641C22
FrattiniC8C2×D641
FittingD8×C641C2
socleC2×C641D8
hypercenterD8D641
hypocenterC641D16
LCSG ▷ C8×C641 ▷ C4×C641 ▷ C2×C641 ▷ C641
UCSC1 ◁ C2 ◁ C4 ◁ C8 ◁ D8

28 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 10256

Polycyclic presentation:

2^5,641|c^2=de,d^2=e,b^a=bc,c^a=cd,d^a=de,c^b=cd,d^b=de,f^b=f^640

Conjugacy classes & character table

2251 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20512, 87);