Finite Group Databasebeta

#34296548

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

Aliases

No aliases for this group.

Splittings

FittingC79×#1726 ⋊ C2
SylowC79 ⋊ #21670

Subgroups

subgroupG/H
center, FrattiniC22×C4C23×D79
commutator, socleC23×C79C23×C4
FittingC79×#1726C2
prime radicalC23×D79C22×C4
cosocleC22×C4×C79C24
hypercenter#1726D79
hypocenterC79#21670
LCSG ▷ C23×C79 ▷ C79
UCSC1 ◁ C22×C4 ◁ #1726

656 conjugacy classes of subgroups; only the 227 normal subgroups are shown.

normal subgroups only

This group has 656 conjugacy classes of subgroups — too many to draw. Only its 227 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|a^2=g,b^2=ef,c^2=e,d^2=g,g^2=h,b^a=be,c^a=cf,d^a=dh,i^a=i^78,c^b=ch

Conjugacy classes & character table

3184 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 177847);