Finite Group Databasebeta

#14511644

order1920
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #73089

Subgroups

subgroupG/H
centerC22#91905
commutator, cosocleC4×C5×SL(2,𝔽3)C22
Frattini, hypercenterC2×C4D5×S4
FittingC4×C5×Q8C2×D3
socleC22×C5GL(2,ℤ/4)
prime radicalC4⋊(C5⋊(#41⋊C3))C2
hypocenterC5×SL(2,𝔽3)D8
LCSG ▷ C4×C5×SL(2,𝔽3) ▷ C2×C5×SL(2,𝔽3) ▷ C5×SL(2,𝔽3)
UCSC1 ◁ C22 ◁ C2×C4

218 conjugacy classes of subgroups; only the 35 normal subgroups are shown.

normal subgroups only

This group has 218 conjugacy classes of subgroups — too many to draw. Only its 35 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) = 640

Polycyclic presentation:

2^4,3,5,2^3|a^2=i,b^2=cd,c^2=d,g^2=i,h^2=i,b^a=bc,c^a=cd,f^a=f^4,e^b=e^2,g^b=gh,h^b=hi,g^e=h,h^e=ghi,h^g=hi

Conjugacy classes & character table

95 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 237342);