Finite Group Databasebeta

#34288015

order20224
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #20690

Subgroups

subgroupG/H
centerC22C22×(C2×D79)⋊C4
commutatorC23×C79C23×C4
FrattiniC24C23×D79
FittingC79×#2309C2
socleC22×C79C22×C22⋊C4
prime radicalC23×D4×C79C22
cosocleC24×C79C24
hypercenter#2309D79
hypocenterC79#20690
LCSG ▷ C23×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C22 ◁ C23×D4 ◁ #2309

1546 conjugacy classes of subgroups; only the 355 normal subgroups are shown.

normal subgroups only

This group has 1546 conjugacy classes of subgroups — too many to draw. Only its 355 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=g,c^2=e,d^2=h,b^a=be,c^a=cf,f^a=fh,d^b=dh,g^c=gh,i^c=i^78

Conjugacy classes & character table

1774 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 169314);