Finite Group Databasebeta

#34269574

order20224
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

FittingC79×#1534 ⋊ C2
SylowC79 ⋊ #19003

Subgroups

subgroupG/H
centerC22C2×#14579131
commutator, cosocleC42×C79C24
FrattiniC42C23×D79
FittingC79×#1534C2
socleC22×C79C2×#120
prime radical#19099113C22
hypercenter#1534D79
hypocenterC79#19003
LCSG ▷ C42×C79 ▷ C22×C79 ▷ C79
UCSC1 ◁ C22 ◁ C2×C42 ◁ #1534

808 conjugacy classes of subgroups; only the 155 normal subgroups are shown.

normal subgroups only

This group has 808 conjugacy classes of subgroups — too many to draw. Only its 155 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 10112

Polycyclic presentation:

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

Conjugacy classes & character table

1048 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 150873);