Finite Group Databasebeta

#34442477

order20224
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Splittings

FittingC79×#3550 ⋊ C2
SylowC79 ⋊ #33571

Subgroups

subgroupG/H
centerC2C2×#19098750
commutator, cosocleC2×Q8×C79C24
FrattiniC2×Q8C23×D79
FittingC79×#3550C2
socleC2×C79C2×B(4,𝔽2)
prime radical#23772748C2
hypercenter#3550D79
hypocenterC79#33571
LCSG ▷ C2×Q8×C79 ▷ C22×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×#41 ◁ #3550

1084 conjugacy classes of subgroups; only the 167 normal subgroups are shown.

normal subgroups only

This group has 1084 conjugacy classes of subgroups — too many to draw. Only its 167 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|b^2=h,d^2=h,e^2=h,f^2=h,b^a=be,c^a=cf,e^a=eh,f^a=fh,g^a=gh,i^a=i^78,d^b=dh,e^b=eh,f^b=fgh,e^c=eg,f^c=fh,f^e=fh

Conjugacy classes & character table

1516 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 323776);