Automorphy factors for a Hilbert modular group
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Let K be a totally real algebraic number field of degree n > 1, and let OK be the maximal order. We denote by гk, the Hilbert modular group SL2(OK) associated with K. On the extent of the weight of an automorphy factor for гK, some restrictions are imposed, not as in the elliptic modular case. Maass [5] showed that the weight is integral for K = ℚ(√5). It was shown by Christian [1] that for any Hilbert modular group it is a rational number with the bounded denominator depending on the group.
1982 ◽
Vol 19
(6)
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pp. 1637-1652
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1970 ◽
Vol 40
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pp. 193-211
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1977 ◽
Vol 67
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pp. 159-164
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1965 ◽
Vol 17
(4)
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pp. 411-424
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1980 ◽
Vol 77
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pp. 137-143
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1978 ◽
Vol 19
(2)
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pp. 173-197
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2013 ◽
Vol 143
(5)
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pp. 893-903
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1966 ◽
Vol 27
(2)
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pp. 429-433
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