Finite Group Databasebeta

#34288012

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

Aliases

No aliases for this group.

Splittings

FittingC79×#1820 ⋊ C2
SylowC79 ⋊ #20689

Subgroups

subgroupG/H
centerC22C2×C22⋊C4×D79
commutatorC23×C79C23×C4
FrattiniC24C23×D79
FittingC79×#1820C2
socleC22×C79C22×C22⋊C4
prime radicalC23×D316C22
cosocleC24×C79C24
hypercenter#1820D79
hypocenterC79#20689
LCSG ▷ C23×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C22 ◁ C23×C4 ◁ #1820

1602 conjugacy classes of subgroups; only the 275 normal subgroups are shown.

normal subgroups only

This group has 1602 conjugacy classes of subgroups — too many to draw. Only its 275 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,b^a=be,c^a=cf,f^a=fh,d^b=dh,i^b=i^78,g^c=gh,i^d=i^78

Conjugacy classes & character table

1306 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 169311);