Finite Group Databasebeta

#35222997

order20864
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Splittings

SylowC163 ⋊ #2883

Subgroups

subgroupG/H
centerC2C22×C22⋊Dic163
commutatorC22×C163C23×C4
FrattiniC23C23×D163
Fitting, prime radicalC2×H(5,𝔽2)×C163C2
socleC2×C163C22×C22⋊C4
cosocleC23×C163C24
hypercenterC2×H(5,𝔽2)D163
hypocenterC163#2883
LCSG ▷ C22×C163 ▷ C2×C163 ▷ C163
UCSC1 ◁ C2 ◁ C22×D4 ◁ C2×H(5,𝔽2)

800 conjugacy classes of subgroups; only the 289 normal subgroups are shown.

normal subgroups only

This group has 800 conjugacy classes of subgroups — too many to draw. Only its 289 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,b^a=be,e^a=eg,h^a=h^162,f^b=fg,d^c=dg

Conjugacy classes & character table

2795 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20864, 12971);