Finite Group Databasebeta

#34297429

order20224
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Splittings

FittingC79×#2888 ⋊ C2
SylowC79 ⋊ #21778

Subgroups

subgroupG/H
centerC2#23765975
commutatorC23×C79C23×C4
FrattiniC22×C4C23×D79
FittingC79×#2888C2
socleC2×C79#2308
prime radical#23777031C2
cosocleC22×C4×C79C24
hypercenter#2888D79
hypocenterC79#21778
LCSG ▷ C23×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2 ◁ C22×C4 ◁ #2888

1440 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1264

Polycyclic presentation:

2^8,79|a^2=g,g^2=h,b^a=be,c^a=cf,d^a=de,e^a=eh,c^b=ce,f^b=fh,g^b=gh,i^c=i^78,g^d=gh

Conjugacy classes & character table

1645 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 178728);