Finite Group Databasebeta

#34287380

order20224
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Splittings

FittingC79×#1780 ⋊ C2
SylowC79 ⋊ #20580

Subgroups

subgroupG/H
center, FrattiniC22×C4C23×D79
commutator, socleC23×C79C23×C4
FittingC79×#1780C2
prime radicalC22×#41×D79C2
cosocleC22×C4×C79C24
hypercenter#1780D79
hypocenterC79#20580
LCSG ▷ C23×C79 ▷ C79
UCSC1 ◁ C22×C4 ◁ #1780

3958 conjugacy classes of subgroups; only the 387 normal subgroups are shown.

normal subgroups only

This group has 3958 conjugacy classes of subgroups — too many to draw. Only its 387 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) = 5056

Polycyclic presentation:

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

Conjugacy classes & character table

1780 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 168679);