Finite Group Databasebeta

C163⋊#1308 #35212448

order20864
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC163⋊#1308

Splittings

SylowC163 ⋊ #1308

Subgroups

subgroupG/H
centerC22C163⋊#95
commutator, prime radicalC23×C163C42
FrattiniC2×C42C2×D163
Fitting#432×C163C2
socleC22×C163#95
cosocleC2×C42×C163C22
hypercenter#432D163
hypocenterC163#1308
LCSG ▷ C23×C163 ▷ C22×C163 ▷ C163
UCSC1 ◁ C22 ◁ C2×C42 ◁ #432

122 conjugacy classes of subgroups; only the 53 normal subgroups are shown.

normal subgroups only

This group has 122 conjugacy classes of subgroups — too many to draw. Only its 53 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=d,b^2=e,d^2=fg,e^2=f,b^a=bc,c^a=cf,e^a=eg,c^b=cg,d^b=df,h^b=h^162

Conjugacy classes & character table

2294 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20864, 2422);