Finite Group Databasebeta

#35215986

order20864
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

SylowC163 ⋊ #2080

Subgroups

subgroupG/H
centerC4#19104722
commutator, cosocleC22×C4×C163C23
FrattiniC22×C4C22×D163
Fitting#421×C163C2
socleC2×C163#397
prime radicalC2×#41×C163C22
hypercenter#421D163
hypocenterC163#2080
LCSG ▷ C22×C4×C163 ▷ C2×C163 ▷ C163
UCSC1 ◁ C4 ◁ C22×C4 ◁ #421

190 conjugacy classes of subgroups; only the 61 normal subgroups are shown.

normal subgroups only

This group has 190 conjugacy classes of subgroups — too many to draw. Only its 61 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=e,c^2=d,d^2=g,b^a=bd,c^a=ce,f^a=fg,c^b=cf,d^b=dg,e^b=eg,f^c=fg,h^c=h^162

Conjugacy classes & character table

1808 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20864, 5960);