KNOT THEORY
Knot
Trefoil 3₁
Cinquefoil 5₁
Figure-8 4₁
Torus (5,2) 5₁
Hopf Link 2²₁
Unknot 0₁
Trefoil mirror
Tube
Speed
SOLID
WIREFRAME
FRAMING
RESET
Trefoil Knot — 3₁
Crossing number:
3
Writhe:
+3 (or −3 mirror)
Unknotting number:
1
Jones polynomial:
−t⁻⁴ + t⁻³ + t⁻¹
Alexander poly:
−t + 1 − t⁻¹
Is amphichiral:
No (chiral — distinct from mirror)
π₁ complement:
<a,b | a²=b³>