Finite Group Databasebeta

#35212847

order20864
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Splittings

SylowC163 ⋊ #1458

Subgroups

subgroupG/H
centerC22C22⋊C4×D163
commutatorC22×C163C22×C8
FrattiniC22×C4C22×D163
Fitting#323×C163C2
socleC22×C163C2×C22⋊C4
prime radicalC24×C163C2×C4
cosocleC22×C4×C163C23
hypercenter#323D163
hypocenterC163#1458
LCSG ▷ C22×C163 ▷ C2×C163 ▷ C163
UCSC1 ◁ C22 ◁ C22×C4 ◁ #323

264 conjugacy classes of subgroups; only the 79 normal subgroups are shown.

normal subgroups only

This group has 264 conjugacy classes of subgroups — too many to draw. Only its 79 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,e^b=ef,h^c=h^162

Conjugacy classes & character table

1826 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20864, 2821);