Finite Group Databasebeta

#35212663

order20864
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

SylowC163 ⋊ #1394

Subgroups

subgroupG/H
centerC22#19104650
commutatorC2×C4×C163C42
FrattiniC22×Q8C2×D163
Fitting#391×C163C2
socleC22×C163#99
prime radicalC23×C163C22⋊C4
cosocleC22×Q8×C163C22
hypercenter#391D163
hypocenterC163#1394
LCSG ▷ C2×C4×C163 ▷ C22×C163 ▷ C2×C163 ▷ C163
UCSC1 ◁ C22 ◁ C23 ◁ C22×Q8 ◁ #391

172 conjugacy classes of subgroups; only the 57 normal subgroups are shown.

normal subgroups only

This group has 172 conjugacy classes of subgroups — too many to draw. Only its 57 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=e,c^2=g,d^2=g,b^a=bc,c^a=cf,e^a=eg,f^a=fg,h^a=h^162,d^b=dfg,d^c=dg

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, 2637);