Finite Group Databasebeta

#34285777

order20224
automorphism?
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C23×C42

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #20370

Subgroups

subgroupG/H
centerC4C2×C42×D79
commutatorC4×C79C22×C42
FrattiniC22×C4C23×D79
FittingC2×#338×C79C2
socleC2×C79C2×#376
prime radicalC24×C79#41
cosocleC22×C4×C79C24
hypercenterC2×#338D79
hypocenterC79#20370
LCSG ▷ C4×C79 ▷ C79
UCSC1 ◁ C4 ◁ C2×#338

908 conjugacy classes of subgroups; only the 407 normal subgroups are shown.

normal subgroups only

This group has 908 conjugacy classes of subgroups — too many to draw. Only its 407 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=f,b^2=g,c^2=e,e^2=h,b^a=be,g^a=gh,i^a=i^78,f^b=fh,i^b=i^78,d^c=dh,i^c=i^78

Conjugacy classes & character table

1798 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 167076);