Finite Group Databasebeta

#34315450

order20224
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Splittings

FittingC2×#338×C79 ⋊ C2
SylowC79 ⋊ #23434

Subgroups

subgroupG/H
centerC4C2×#14579158
commutator, cosocleC22×C4×C79C24
FrattiniC22×C4C23×D79
FittingC2×#338×C79C2
socleC2×C79C2×#392
hypercenterC2×#338D79
hypocenterC79#23434
LCSG ▷ C22×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C4 ◁ C23×C4 ◁ C2×#338

1916 conjugacy classes of subgroups; only the 287 normal subgroups are shown.

normal subgroups only

This group has 1916 conjugacy classes of subgroups — too many to draw. Only its 287 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|e^2=h,f^2=h,g^2=h,b^a=be,c^a=cf,d^a=dh,e^a=eh,f^a=fh,i^a=i^78,c^b=cg,e^b=eh,g^b=gh,i^b=i^78,f^c=fh,g^c=gh,i^c=i^78

Conjugacy classes & character table

1762 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 196749);