Finite Group Databasebeta

#34289754

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

Aliases

No aliases for this group.

Splittings

FittingC79×#2879 ⋊ C2
SylowC79 ⋊ #20939

Subgroups

subgroupG/H
centerC4C2×#14579129
commutatorC2×C4×C79C23×C4
FrattiniC22×C4C23×D79
FittingC79×#2879C2
socleC2×C79C2×#386
prime radicalC2×#19099361C2
cosocleC22×C4×C79C24
hypercenter#2879D79
hypocenterC79#20939
LCSG ▷ C2×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C4 ◁ C23×C4 ◁ #2879

1668 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,f^2=h,b^a=be,c^a=cf,d^a=dh,f^a=fh,i^a=i^78,e^b=eh,g^b=gh,i^b=i^78,f^c=fh,i^c=i^78

Conjugacy classes & character table

1774 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 171053);