Finite Group Databasebeta

#34315710

order20224
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Splittings

FittingC79×#3458 ⋊ C2
SylowC79 ⋊ #23474

Subgroups

subgroupG/H
centerC4#19098474
commutator, cosocleC24×C79C24
FrattiniC24C23×D79
FittingC79×#3458C2
socleC2×C79C2×#393
prime radicalC22×#11929624C22
hypercenter#3458D79
hypocenterC79#23474
LCSG ▷ C24×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C4 ◁ C23×C4 ◁ #3458

1164 conjugacy classes of subgroups; only the 271 normal subgroups are shown.

normal subgroups only

This group has 1164 conjugacy classes of subgroups — too many to draw. Only its 271 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) = 2528

Polycyclic presentation:

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

Conjugacy classes & character table

1762 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 197009);