Normal subgroups of Hecke groups and regular maps
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Publication:4378207
DOI10.1017/S0305004197002004zbMath0893.20036OpenAlexW2162579768MaRDI QIDQ4378207
David Singerman, Ismail Naci Cangul
Publication date: 25 August 1998
Published in: Mathematical Proceedings of the Cambridge Philosophical Society (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1017/s0305004197002004
Subgroup theorems; subgroup growth (20E07) Fuchsian groups and their generalizations (group-theoretic aspects) (20H10) Fuchsian groups and automorphic functions (aspects of compact Riemann surfaces and uniformization) (30F35)
Related Items (20)
Hexagonal cell graphs of the normalizer with signature $(2, 6, \infty)$ ⋮ Commutator Subgroups of the Extended Hecke Groups $$\bar H(\lambda _q )$$ ⋮ Geometric deduction of the solutions to modular equations ⋮ On the parametrized modular group ⋮ Commutator subgroups of the power subgroups of Hecke groups \(H(\lambda_q)\). II. ⋮ Power and free normal subgroups of generalized Hecke groups ⋮ Commutator subgroups of the power subgroups of some Hecke groups. ⋮ The minimal polynomial of \(2 \cos(\pi /q)\) and Dickson polynomials ⋮ Some properties of the generalized Fibonacci and Lucas sequences related to the extended Hecke groups. ⋮ The constant term of the minimal polynomial of \(\cos(2{\pi}/n)\) over \(\mathbb Q\) ⋮ Power subgroups of some Hecke groups. ⋮ Some normal subgroups of the extended Hecke groups \(\overline H(\lambda_p)\). ⋮ Normal subgroups of Hecke groups \(H(\lambda)\). ⋮ Normal Congruence Subgroups of Hecke Groups ⋮ Principal congruence subgroups of Hecke groups \(H(\sqrt{q})\) ⋮ Subgroups of some Fuchsian groups defined by two linear congruences ⋮ Unnamed Item ⋮ Unnamed Item ⋮ Congruence subgroups of Hecke groups ⋮ Principal congruence subgroups of the Hecke groups and related results
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