Finite Group DatabasebetaFinite Group Databasebeta| order | 1920 |
| automorphism | ? |
| homology | Abelianization (H1) = C2 · Schur multiplier (H2) = C22 |
| unambiguous semidirect product | C5⋊#85554 |
| Fitting | C5×Q82 ⋊ D3 |
| derived | C5×Q8⋊SL(2,𝔽3) ⋊ C2 |
| Sylow | C5 ⋊ #85554 |
| subgroup | G/H | |
|---|---|---|
| center | C2 | C5⋊#5934 |
| commutator, cosocle, hypocenter | C5×Q8⋊SL(2,𝔽3) | C2 |
| Frattini, hypercenter | C22 | C5⋊#1020 |
| Fitting | C5×Q82 | D3 |
| socle | C2×C5 | #5934 |
| LCS | G ▷ C5×Q8⋊SL(2,𝔽3) | |
| UCS | C1 ◁ C2 ◁ C22 | |
218 conjugacy classes of subgroups; only the 17 normal subgroups are shown.
This group has 218 conjugacy classes of subgroups — too many to draw. Only its 17 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| transitive degree | μt(G) = 80 |
Polycyclic presentation:
2,3,5,2^6|d^2=i,e^2=i,f^2=i,g^2=i,b^a=b^2,c^a=c^4,d^a=de,e^a=ei,f^a=fg,g^a=gi,h^a=hi,d^b=e,e^b=dei,f^b=g,g^b=fgi,e^d=ei,f^d=fi,g^d=ghi,f^e=fh,g^e=gi,g^f=gi55 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1920, 239654);