Finite Group Databasebeta

#35214639

order20864
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

Fitting#339×C163 ⋊ C2
SylowC163 ⋊ #1827

Subgroups

subgroupG/H
centerC4#19104693
commutatorC2×C4×C163C22×C4
FrattiniC22×C4C22×D163
Fitting#339×C163C2
socleC2×C163#381
prime radicalC2×#14579699C22
cosocleC22×C4×C163C23
hypercenter#339D163
hypocenterC163#1827
LCSG ▷ C2×C4×C163 ▷ C2×C163 ▷ C163
UCSC1 ◁ C4 ◁ C22×C4 ◁ #339

262 conjugacy classes of subgroups; only the 73 normal subgroups are shown.

normal subgroups only

This group has 262 conjugacy classes of subgroups — too many to draw. Only its 73 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,c^2=d,e^2=g,b^a=bd,c^a=ce,d^a=dg,f^b=fg,h^b=h^162,f^c=fg,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, 4613);