Finite Group Databasebeta

#35214987

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

Aliases

No aliases for this group.

Splittings

Fitting#379×C163 ⋊ C2
SylowC163 ⋊ #1898

Subgroups

subgroupG/H
centerC22C2×(C2×D163)⋊C4
commutatorC23×C163C22×C4
FrattiniC24C22×D163
Fitting#379×C163C2
socleC22×C163C2×C22⋊C4
prime radicalC2×#19104704C2
cosocleC24×C163C23
hypercenter#379D163
hypocenterC163#1898
LCSG ▷ C23×C163 ▷ C2×C163 ▷ C163
UCSC1 ◁ C22 ◁ C25 ◁ #379

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

normal subgroups only

This group has 598 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) = 2608

Polycyclic presentation:

2^7,163|a^2=f,b^2=df,b^a=bd,c^a=ce,d^a=dg,d^b=dg,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, 4961);