Finite Group Databasebeta

#34297465

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

Aliases

No aliases for this group.

Splittings

FittingC79×#1912 ⋊ C2
SylowC79 ⋊ #21783

Subgroups

subgroupG/H
centerC2#23765974
commutatorC2×C4×C79C23×C4
FrattiniC22×C4C23×D79
FittingC79×#1912C2
socleC2×C79#2308
prime radical#23777182C2
cosocleC22×C4×C79C24
hypercenter#1912D79
hypocenterC79#21783
LCSG ▷ C2×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2 ◁ C22×C4 ◁ #1912

1230 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2528

Polycyclic presentation:

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

Conjugacy classes & character table

1177 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 178764);