Finite Group Databasebeta

#35227670

order20864
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

FittingC2×#135×C163 ⋊ C2
SylowC163 ⋊ #3414

Subgroups

subgroupG/H
centerC4C2×#14579684
commutator, cosocleC8×C163C24
FrattiniC8C23×D163
FittingC2×#135×C163C2
socleC2×C163C22×D8
hypercenterC2×#135D163
hypocenterC163#3414
LCSG ▷ C8×C163 ▷ C4×C163 ▷ C2×C163 ▷ C163
UCSC1 ◁ C4 ◁ C22×C4 ◁ C22×C8 ◁ C2×#135

364 conjugacy classes of subgroups; only the 129 normal subgroups are shown.

normal subgroups only

This group has 364 conjugacy classes of subgroups — too many to draw. Only its 129 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) = 5216

Polycyclic presentation:

2^7,163|d^2=g,e^2=fg,f^2=g,b^a=be,c^a=cg,e^a=ef,f^a=fg,e^b=ef,f^b=fg,h^b=h^162

Conjugacy classes & character table

2300 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20864, 17644);