Finite Group Databasebeta

#35212481

order20864
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

SylowC163 ⋊ #1325

Subgroups

subgroupG/H
centerC22#19104649
commutatorC2×C4×C163C2×C8
FrattiniC2×C4⋊C4C2×D163
Fitting#324×C163C2
socleC22×C163#99
prime radicalC23×C163C22⋊C4
cosocleC2×C4⋊C4×C163C22
hypercenter#324D163
hypocenterC163#1325
LCSG ▷ C2×C4×C163 ▷ C22×C163 ▷ C2×C163 ▷ C163
UCSC1 ◁ C22 ◁ C23 ◁ C2×C4⋊C4 ◁ #324

134 conjugacy classes of subgroups; only the 37 normal subgroups are shown.

normal subgroups only

This group has 134 conjugacy classes of subgroups — too many to draw. Only its 37 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=d,b^2=eg,c^2=g,d^2=f,b^a=bc,c^a=ce,e^a=eg,d^b=deg,h^b=h^162,d^c=dg

Conjugacy classes & character table

1808 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20864, 2455);