Finite Group Databasebeta

#35214642

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

Aliases

No aliases for this group.

Splittings

SylowC163 ⋊ #1828

Subgroups

subgroupG/H
centerC2#23781526
commutatorC23×C163C22×C4
FrattiniC24C22×D163
FittingC2×#99×C163C2
socleC2×C163#381
prime radicalC22×D4×C163C22
cosocleC24×C163C23
hypercenterC2×#99D163
hypocenterC163#1828
LCSG ▷ C23×C163 ▷ C2×C163 ▷ C163
UCSC1 ◁ C2 ◁ C24 ◁ C2×#99

296 conjugacy classes of subgroups; only the 81 normal subgroups are shown.

normal subgroups only

This group has 296 conjugacy classes of subgroups — too many to draw. Only its 81 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,b^a=bd,c^a=ce,d^a=dg,f^b=fg,e^c=eg,h^c=h^162

Conjugacy classes & character table

1811 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20864, 4616);