Finite Group Databasebeta

#34255477

order20224
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #17548

Subgroups

subgroupG/H
centerC22C22×C22⋊Dic79
commutatorC2×C4×C79C23×C4
FrattiniC22×C4C23×D79
Fitting, prime radicalC79×#3520C2
socleC22×C79C22×C22⋊C4
cosocleC22×C4×C79C24
hypercenter#3520D79
hypocenterC79#17548
LCSG ▷ C2×C4×C79 ▷ C22×C79 ▷ C79
UCSC1 ◁ C22 ◁ C2×C4×D4 ◁ #3520

1102 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2528

Polycyclic presentation:

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

Conjugacy classes & character table

1777 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 136776);