Random triples
| Subject | Object |
|---|---|
| gptkb:modular_group | region in upper half-plane bounded by |z|=1, -1/2 < Re(z) < 1/2 |
| gptkb:modular_group_(for_n=2) | region in upper half-plane bounded by |z|=1 and -1/2 < Re(z) < 1/2 |
| gptkb:PSL(2,ℤ) | modular region in upper half-plane |
| gptkb:SL(2,_Z)/{±I} | {z in H | |z| ≥ 1, |Re(z)| ≤ 1/2} |