Finite Group DatabasebetaFinite Group Databasebeta| order | 80 |
| nilpotency class | 1 |
| isoclinism | isoclinic class of C1 |
| automorphism | Aut(G) = C4×#5934 (order 768) · Inn(G) = C1 · Out(G) = C4×#5934 |
| homology | Abelianization (H1) = G · Schur multiplier (H2) = C23 |
| abelian | C22×C4×C5 |
| multiplicative | (ℤ/165)ˣ, (ℤ/176)ˣ, (ℤ/200)ˣ, (ℤ/220)ˣ, (ℤ/300)ˣ, (ℤ/330)ˣ |
| subgroup | G/H | |
|---|---|---|
| center | G | C1 |
| commutator | C1 | G |
| Frattini, cosocle | C2 | C23×C5 |
| socle, prime radical | C23×C5 | C2 |
| LCS | G ▷ C1 | |
| UCS | C1 ◁ G | |
54 conjugacy classes of subgroups.
| minimal degree | μ(G) = 13 |
| transitive degree | μt(G) = 80 |
A minimal faithful permutation representation — 3 generators on 13 points:
(1,2,3,4)(9,10,11,12,13);(5,6);(7,8)80 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(80, 45);