Finite Group Databasebeta

#35212888

order20864
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

SylowC163 ⋊ #1469

Subgroups

subgroupG/H
centerC22C2×C22⋊Dic163
commutatorC23×C163C22×C4
FrattiniC22×C4C22×D163
FittingC2×#124×C163C2
socleC22×C163C2×C22⋊C4
prime radicalC22×D4×C163C4
cosocleC22×C4×C163C23
hypercenterC2×#124D163
hypocenterC163#1469
LCSG ▷ C23×C163 ▷ C2×C163 ▷ C163
UCSC1 ◁ C22 ◁ C2×C42 ◁ C2×#124

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

normal subgroups only

This group has 256 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) = 5216

Polycyclic presentation:

2^7,163|a^2=e,c^2=f,e^2=g,b^a=bd,d^a=df,h^a=h^162,c^b=cg,e^b=ef

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, 2862);