Finite Group Databasebeta

#34290211

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

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #21003

Subgroups

subgroupG/H
centerC2×C4#14579133
commutatorC2×C4×C79C23×C4
FrattiniC22×C4C23×D79
Fitting, prime radicalC2×#575×C79C2
socleC22×C79C2×#121
cosocleC22×C4×C79C24
hypercenterC2×#575D79
hypocenterC79#21003
LCSG ▷ C2×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ C2×#575

1686 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 5056

Polycyclic presentation:

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

Conjugacy classes & character table

1780 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 171510);