Finite Group Databasebeta

#34289455

order20224
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Splittings

FittingC2×#568×C79 ⋊ C2
SylowC79 ⋊ #20903

Subgroups

subgroupG/H
centerC2×C4C22×C22⋊D79
commutatorC2×C4×C79C23×C4
FrattiniC22×C4C23×D79
FittingC2×#568×C79C2
socleC22×C79C22×C22⋊C4
prime radical#23776729C2
cosocleC22×C4×C79C24
hypercenterC2×#568D79
hypocenterC79#20903
LCSG ▷ C2×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2×C4 ◁ C22×#41 ◁ C2×#568

1782 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2528

Polycyclic presentation:

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

Conjugacy classes & character table

2716 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 170754);