Finite Group Databasebeta

#35214501

order20864
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

Fitting#416×C163 ⋊ C2
SylowC163 ⋊ #1794

Subgroups

subgroupG/H
centerC4#19104705
commutatorC2×C4×C163C22×C4
FrattiniC22×C4C22×D163
Fitting#416×C163C2
socleC2×C163#379
prime radical#23782501C2
cosocleC22×C4×C163C23
hypercenter#416D163
hypocenterC163#1794
LCSG ▷ C2×C4×C163 ▷ C2×C163 ▷ C163
UCSC1 ◁ C4 ◁ C22×C4 ◁ #416

548 conjugacy classes of subgroups; only the 97 normal subgroups are shown.

normal subgroups only

This group has 548 conjugacy classes of subgroups — too many to draw. Only its 97 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|a^2=f,d^2=g,f^2=g,b^a=bd,c^a=ce,d^a=dg,h^a=h^162,d^b=dg,e^b=eg,d^c=dg,h^c=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, 4475);