Finite Group Databasebeta

#34442174

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

Aliases

No aliases for this group.

Splittings

FittingC79×#2115 ⋊ C2
SylowC79 ⋊ #33531

Subgroups

subgroupG/H
centerC2C2×#19098699
commutator, cosocleC2×C8×C79C24
FrattiniC2×C8C23×D79
FittingC79×#2115C2
socleC2×C79C2×#447
hypercenter#2115D79
hypocenterC79#33531
LCSG ▷ C2×C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2 ◁ C22×C4 ◁ C2×#131 ◁ #2115

1122 conjugacy classes of subgroups; only the 183 normal subgroups are shown.

normal subgroups only

This group has 1122 conjugacy classes of subgroups — too many to draw. Only its 183 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|e^2=gh,g^2=h,b^a=be,c^a=cf,e^a=eg,g^a=gh,i^a=i^78,e^b=eg,f^b=fh,g^b=gh,i^b=i^78,d^c=dh,e^c=eh

Conjugacy classes & character table

1756 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 323473);