Isomorphic congruence groups and Hecke operators
Glasgow mathematical journal, Tome 7 (1966) no. 3, p. 168
Voir la notice de l'article provenant de la source Cambridge University Press
Let G, H, K be groups such that G is normal in K and G ⊆ H ⊆ K. Let I(H, K) be the set of inner automorphisms of K restricted to H; thus α ∊ I(H, K) if and only if, for some κ∊ K, α(h) = k-1hk for all h ∊ H. Let φ be an isomorphism of H/G onto a subgroup Hφ/G of K/G. An isomorphism Φ of H onto H(φ) is called an extension of ø ifΦ(h)G = φ(hG) for all h∊H.
Rankin, R. A. Isomorphic congruence groups and Hecke operators. Glasgow mathematical journal, Tome 7 (1966) no. 3, p. 168. doi: 10.1017/S2040618500035358
@article{10_1017_S2040618500035358,
author = {Rankin, R. A.},
title = {Isomorphic congruence groups and {Hecke} operators},
journal = {Glasgow mathematical journal},
pages = {168--168},
year = {1966},
volume = {7},
number = {3},
doi = {10.1017/S2040618500035358},
url = {http://geodesic.mathdoc.fr/articles/10.1017/S2040618500035358/}
}
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