English

The $(4,p)$-arithmetic hyperbolic lattices, $p\geq 2$, in three dimensions

Geometric Topology 2022-06-29 v1 Complex Variables

Abstract

We identify the finitely many arithmetic lattices Γ\Gamma in the orientation preserving isometry group of hyperbolic 33-space H3\mathbb{H}^3 generated by an element of order 44 and and element of order p2p\geq 2. Thus Γ\Gamma has a presentation of the form Γf,g:f4=gp=w(f,g)==1\Gamma\cong\langle f,g: f^4=g^p=w(f,g)=\cdots=1 \rangle We find that necessarily p{2,3,4,5,6,}p\in \{2,3,4,5,6,\infty\}, where p=p=\infty denotes that gg is a parabolic element, the total degree of the invariant trace field kΓ=Q({\tr2(h):hΓ})k\Gamma=\mathbb{Q}(\{\tr^2(h):h\in\Gamma\}) is at most 44, and each orbifold is either a two bridge link of slope r/sr/s surgered with (4,0)(4,0), (p,0)(p,0) Dehn surgery (possibly a two bridge knot if p=4p=4) or a Heckoid group with slope r/sr/s and w(f,g)=(wr/s)rw(f,g)=(w_{r/s})^r with r{1,2,3,4}r\in \{1,2,3,4\}. We give a discrete and faithful representation in PSL(2,C)PSL(2,\mathbb{C}) for each group and identify the associated number theoretic data.

Keywords

Cite

@article{arxiv.2206.14174,
  title  = {The $(4,p)$-arithmetic hyperbolic lattices, $p\geq 2$, in three dimensions},
  author = {G. J. Martin and K. Salehi and Y. Yamashita},
  journal= {arXiv preprint arXiv:2206.14174},
  year   = {2022}
}