Finite Group Databasebeta

#34262120

order20224
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

FittingC2×#323×C79 ⋊ C2
SylowC79 ⋊ #18286

Subgroups

subgroupG/H
centerC22C2×#14579131
commutator, cosocleC22×C4×C79C24
FrattiniC22×C4C23×D79
FittingC2×#323×C79C2
socleC22×C79C2×#120
prime radical#23769134C2
hypercenterC2×#323D79
hypocenterC79#18286
LCSG ▷ C22×C4×C79 ▷ C22×C79 ▷ C79
UCSC1 ◁ C22 ◁ C23×C4 ◁ C2×#323

1142 conjugacy classes of subgroups; only the 187 normal subgroups are shown.

normal subgroups only

This group has 1142 conjugacy classes of subgroups — too many to draw. Only its 187 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|b^2=g,e^2=g,b^a=be,c^a=cf,d^a=dh,e^a=eg,i^a=i^78,e^b=eg,f^b=fh,i^b=i^78,e^c=eh

Conjugacy classes & character table

1756 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 143419);