Finite Group Databasebeta

#35214559

order20864
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Splittings

SylowC163 ⋊ #1807

Subgroups

subgroupG/H
centerC23C2×C22⋊D163
commutatorC2×C4×C163C22×C4
FrattiniC22×C4C22×D163
Fitting#380×C163C2
socleC23×C163C2×D4
prime radicalC24×C163D4
cosocleC22×C4×C163C23
hypercenter#380D163
hypocenterC163#1807
LCSG ▷ C2×C4×C163 ▷ C2×C163 ▷ C163
UCSC1 ◁ C23 ◁ C23×C4 ◁ #380

336 conjugacy classes of subgroups; only the 125 normal subgroups are shown.

normal subgroups only

This group has 336 conjugacy classes of subgroups — too many to draw. Only its 125 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) = 10432

Polycyclic presentation:

2^7,163|a^2=f,b^2=d,d^2=g,b^a=bd,c^a=ce,d^a=dg,h^b=h^162

Conjugacy classes & character table

2312 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20864, 4533);