Finite Group Databasebeta

#34296607

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

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #21676

Subgroups

subgroupG/H
center, FrattiniC22×C4C23×D79
commutator, socle, prime radicalC23×C79C23×C4
FittingC79×#1832C2
cosocleC22×C4×C79C24
hypercenter#1832D79
hypocenterC79#21676
LCSG ▷ C23×C79 ▷ C79
UCSC1 ◁ C22×C4 ◁ #1832

658 conjugacy classes of subgroups; only the 239 normal subgroups are shown.

normal subgroups only

This group has 658 conjugacy classes of subgroups — too many to draw. Only its 239 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) = 20224

Polycyclic presentation:

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

Conjugacy classes & character table

1804 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 177906);