Divisibility properties of subgroup numbers for the modular group.

@article{Müller2005,
author = {Müller, T.W., Schlage-Puchta, J.-C.},
journal = {The New York Journal of Mathematics [electronic only]},
keywords = {modular group; discrete groups; congruences; subgroup numbers; subgroups of finite index; free subgroups},
language = {eng},
pages = {205-224},
publisher = {University at Albany, Deptartment of Mathematics and Statistics},
title = {Divisibility properties of subgroup numbers for the modular group.},
url = {http://eudml.org/doc/127284},
volume = {11},
year = {2005},
}

TY - JOUR
AU - Müller, T.W.
AU - Schlage-Puchta, J.-C.
TI - Divisibility properties of subgroup numbers for the modular group.
JO - The New York Journal of Mathematics [electronic only]
PY - 2005
PB - University at Albany, Deptartment of Mathematics and Statistics
VL - 11
SP - 205
EP - 224
LA - eng
KW - modular group; discrete groups; congruences; subgroup numbers; subgroups of finite index; free subgroups
UR - http://eudml.org/doc/127284
ER -