Finite Group Databasebeta

#34287537

order20224
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C29

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #20609

Subgroups

subgroupG/H
centerC22C2×#14579130
commutatorC23×C79C23×C4
FrattiniC24C23×D79
Fitting, prime radicalC22×H(5,𝔽2)×C79C2
socleC22×C79C2×#120
cosocleC24×C79C24
hypercenterC22×H(5,𝔽2)D79
hypocenterC79#20609
LCSG ▷ C23×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C22 ◁ C25 ◁ C22×H(5,𝔽2)

4122 conjugacy classes of subgroups; only the 555 normal subgroups are shown.

normal subgroups only

This group has 4122 conjugacy classes of subgroups — too many to draw. Only its 555 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) = 2528

Polycyclic presentation:

2^8,79|a^2=g,b^a=be,c^a=cf,d^a=dh,e^a=eh,i^a=i^78,f^b=fh,g^b=gh,e^c=eh

Conjugacy classes & character table

2710 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 168836);