Finite Group Databasebeta

#35212872

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

Aliases

No aliases for this group.

Splittings

Fitting#407×C163 ⋊ C2
SylowC163 ⋊ #1465

Subgroups

subgroupG/H
centerC22C2×(C2×D163)⋊C4
commutatorC23×C163C22×C4
FrattiniC22×C4C22×D163
Fitting#407×C163C2
socleC22×C163C2×C22⋊C4
prime radicalC22×C22⋊D163C4
cosocleC22×C4×C163C23
hypercenter#407D163
hypocenterC163#1465
LCSG ▷ C23×C163 ▷ C2×C163 ▷ C163
UCSC1 ◁ C22 ◁ C23×C4 ◁ #407

316 conjugacy classes of subgroups; only the 77 normal subgroups are shown.

normal subgroups only

This group has 316 conjugacy classes of subgroups — too many to draw. Only its 77 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=g,e^2=g,b^a=bd,c^a=cg,d^a=df,e^b=ef,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, 2846);