Finite Group Databasebeta

#34445084

order20224
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

FittingC79×#2170 ⋊ C2
SylowC79 ⋊ #33860

Subgroups

subgroupG/H
centerC2D4×D632
commutator, cosocleC2×C8×C79C24
FrattiniC2×C8C23×D79
FittingC79×#2170C2
socleC2×C79D4×D8
hypercenter#2170D79
hypocenterC79#33860
LCSG ▷ C2×C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2 ◁ C2×C4 ◁ #443 ◁ #2170

636 conjugacy classes of subgroups; only the 151 normal subgroups are shown.

normal subgroups only

This group has 636 conjugacy classes of subgroups — too many to draw. Only its 151 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=h,b^2=h,c^2=h,e^2=gh,f^2=h,g^2=h,b^a=be,c^a=cf,d^a=dg,e^a=eg,f^a=fh,g^a=gh,i^a=i^78,c^b=ch,d^b=de,e^b=eg,g^b=gh,i^b=i^78,f^c=fh,e^d=eg,g^d=gh,i^d=i^78

Conjugacy classes & character table

2227 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 326383);