Finite Group Databasebeta

#34289115

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

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #20860

Subgroups

subgroupG/H
centerC4C2×#14579129
commutatorC2×C4×C79C23×C4
FrattiniC22×C4C23×D79
FittingC79×#2879C2
socleC2×C79C2×#385
prime radicalC22×#41×C79C22
cosocleC22×C4×C79C24
hypercenter#2879D79
hypocenterC79#20860
LCSG ▷ C2×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C4 ◁ C23×C4 ◁ #2879

1296 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2528

Polycyclic presentation:

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

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, 170414);