Finite Group Databasebeta

#34441126

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

Aliases

No aliases for this group.

Splittings

FittingC79×#2888 ⋊ C2
SylowC79 ⋊ #33371

Subgroups

subgroupG/H
centerC2C22×#14579075
commutatorC2×C4×C79C23×C4
FrattiniC2×Q8C23×D79
FittingC79×#2888C2
socleC2×C79C22×#99
prime radical#23777188C2
cosocleC2×Q8×C79C24
hypercenter#2888D79
hypocenterC79#33371
LCSG ▷ C2×C4×C79 ▷ C22×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2 ◁ C2×Q8 ◁ C2×H(5,𝔽2) ◁ #2888

1208 conjugacy classes of subgroups; only the 271 normal subgroups are shown.

normal subgroups only

This group has 1208 conjugacy classes of subgroups — too many to draw. Only its 271 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=f,c^2=h,d^2=h,e^2=h,f^2=h,b^a=be,e^a=eg,g^a=gh,e^b=eh,f^b=fgh,i^b=i^78,d^c=dh,f^e=fh

Conjugacy classes & character table

1645 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 322425);