Finite Group Databasebeta

#34277607

order20224
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #19754

Subgroups

subgroupG/H
centerC22C2×#14579157
commutator, cosocleC42×C79C24
FrattiniC42C23×D79
Fitting, prime radicalC79×#3184C2
socleC22×C79C2×#127
hypercenter#3184D79
hypocenterC79#19754
LCSG ▷ C42×C79 ▷ C22×C79 ▷ C79
UCSC1 ◁ C22 ◁ C2×C42 ◁ #3184

728 conjugacy classes of subgroups; only the 163 normal subgroups are shown.

normal subgroups only

This group has 728 conjugacy classes of subgroups — too many to draw. Only its 163 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) = 10112

Polycyclic presentation:

2^8,79|a^2=g,b^2=egh,c^2=fg,e^2=g,f^2=h,b^a=be,c^a=cf,e^a=eg,f^a=fh,i^a=i^78,d^b=dg,d^c=dh,i^c=i^78

Conjugacy classes & character table

1288 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 158906);