Properties

Label 2-931-1.1-c1-0-29
Degree $2$
Conductor $931$
Sign $1$
Analytic cond. $7.43407$
Root an. cond. $2.72654$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.59·2-s − 2.89·3-s + 4.72·4-s + 1.85·5-s − 7.52·6-s + 7.08·8-s + 5.40·9-s + 4.82·10-s − 3.51·11-s − 13.7·12-s + 3.68·13-s − 5.38·15-s + 8.91·16-s + 4.85·17-s + 14.0·18-s + 19-s + 8.78·20-s − 9.11·22-s + 1.71·23-s − 20.5·24-s − 1.54·25-s + 9.56·26-s − 6.97·27-s + 3.20·29-s − 13.9·30-s + 0.627·31-s + 8.95·32-s + ⋯
L(s)  = 1  + 1.83·2-s − 1.67·3-s + 2.36·4-s + 0.830·5-s − 3.07·6-s + 2.50·8-s + 1.80·9-s + 1.52·10-s − 1.05·11-s − 3.95·12-s + 1.02·13-s − 1.39·15-s + 2.22·16-s + 1.17·17-s + 3.30·18-s + 0.229·19-s + 1.96·20-s − 1.94·22-s + 0.358·23-s − 4.19·24-s − 0.309·25-s + 1.87·26-s − 1.34·27-s + 0.594·29-s − 2.55·30-s + 0.112·31-s + 1.58·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 931 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 931 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(931\)    =    \(7^{2} \cdot 19\)
Sign: $1$
Analytic conductor: \(7.43407\)
Root analytic conductor: \(2.72654\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 931,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.373415492\)
\(L(\frac12)\) \(\approx\) \(3.373415492\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 \)
19 \( 1 - T \)
good2 \( 1 - 2.59T + 2T^{2} \)
3 \( 1 + 2.89T + 3T^{2} \)
5 \( 1 - 1.85T + 5T^{2} \)
11 \( 1 + 3.51T + 11T^{2} \)
13 \( 1 - 3.68T + 13T^{2} \)
17 \( 1 - 4.85T + 17T^{2} \)
23 \( 1 - 1.71T + 23T^{2} \)
29 \( 1 - 3.20T + 29T^{2} \)
31 \( 1 - 0.627T + 31T^{2} \)
37 \( 1 - 1.62T + 37T^{2} \)
41 \( 1 + 5.18T + 41T^{2} \)
43 \( 1 - 6.18T + 43T^{2} \)
47 \( 1 + 5.43T + 47T^{2} \)
53 \( 1 - 5.81T + 53T^{2} \)
59 \( 1 + 4.88T + 59T^{2} \)
61 \( 1 + 7.36T + 61T^{2} \)
67 \( 1 + 0.0879T + 67T^{2} \)
71 \( 1 - 15.7T + 71T^{2} \)
73 \( 1 - 3.01T + 73T^{2} \)
79 \( 1 + 14.7T + 79T^{2} \)
83 \( 1 + 4.03T + 83T^{2} \)
89 \( 1 + 1.32T + 89T^{2} \)
97 \( 1 + 4.69T + 97T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−10.59399967228385894602110503313, −9.765633465325937844661814405773, −7.945344268271226385505911382341, −6.86990824375657779212425816217, −6.16550060268719941748144294327, −5.51729905298040977737023772190, −5.17377591440523565942354449328, −4.09081617577878455966272008451, −2.86841241801527650304363552166, −1.40646395771418083304972712600, 1.40646395771418083304972712600, 2.86841241801527650304363552166, 4.09081617577878455966272008451, 5.17377591440523565942354449328, 5.51729905298040977737023772190, 6.16550060268719941748144294327, 6.86990824375657779212425816217, 7.945344268271226385505911382341, 9.765633465325937844661814405773, 10.59399967228385894602110503313

Graph of the $Z$-function along the critical line