Finite Group DatabasebetaFinite Group Databasebeta| order | 320 |
| automorphism | ? |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C2 |
No aliases for this group.
| Sylow | C5 ⋊ #501 |
90 conjugacy classes of subgroups.
| minimal degree | μ(G) = 21 |
| transitive degree | μt(G) = 320 |
A minimal faithful permutation representation — 3 generators on 21 points:
(1,2,4,5,3)(6,8,9,13)(7,10,11,12)(15,19)(16,20)(18,21);(14,15,16,19,17,18,20,21);(2,3)(4,5)(6,7,9,11)(8,12,13,10)(15,18)(19,21)Polycyclic presentation:
2^6,5|a^2=d,b^2=e,c^2=d,e^2=f,b^a=bf,c^a=cd,g^a=g^4,c^b=cef,e^c=ef44 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#65145, #10610841, #10610857, … |
| maximal normal subgroup of | C2×#65145, #10610841, #10610857, … |
| maximal quotient of | #10599598, #10599599, #10599619, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(320, 483);