Finite Group Databasebeta

#14511530

order1920
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

derivedC5×#95⋊C3 ⋊ C4
SylowC5 ⋊ SL(2,ℤ/8)

Subgroups

subgroupG/H
center, hypercenterC22C5⋊#857
commutator, hypocenterC5×#95⋊C3C4
FrattiniC24C5⋊S4
FittingC2×C5×#95D3
socleC24×C5S4
prime radical, cosocleC2×C5×#95⋊C3C2
LCSG ▷ C5×#95⋊C3
UCSC1 ◁ C22

212 conjugacy classes of subgroups; only the 29 normal subgroups are shown.

normal subgroups only

This group has 212 conjugacy classes of subgroups — too many to draw. Only its 29 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) = 240

Polycyclic presentation:

2^2,3,5,2^5|a^2=b,e^2=g,f^2=ghi,c^a=c^2,d^a=d^4,e^a=efi,f^a=fghi,g^a=gi,h^a=hi,e^c=fh,f^c=efgh,g^c=ghi,h^c=i,i^c=hi,f^e=fgh

Conjugacy classes & character table

78 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 237228);