Properties

Label 2-775-1.1-c1-0-34
Degree $2$
Conductor $775$
Sign $1$
Analytic cond. $6.18840$
Root an. cond. $2.48765$
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  + 2.02·2-s + 3.01·3-s + 2.12·4-s + 6.11·6-s − 3.60·7-s + 0.245·8-s + 6.06·9-s + 5.37·11-s + 6.38·12-s + 0.621·13-s − 7.32·14-s − 3.74·16-s − 0.427·17-s + 12.3·18-s − 2.18·19-s − 10.8·21-s + 10.9·22-s − 6.22·23-s + 0.738·24-s + 1.26·26-s + 9.24·27-s − 7.64·28-s − 2.11·29-s − 31-s − 8.09·32-s + 16.1·33-s − 0.867·34-s + ⋯
L(s)  = 1  + 1.43·2-s + 1.73·3-s + 1.06·4-s + 2.49·6-s − 1.36·7-s + 0.0867·8-s + 2.02·9-s + 1.62·11-s + 1.84·12-s + 0.172·13-s − 1.95·14-s − 0.935·16-s − 0.103·17-s + 2.90·18-s − 0.501·19-s − 2.37·21-s + 2.32·22-s − 1.29·23-s + 0.150·24-s + 0.247·26-s + 1.77·27-s − 1.44·28-s − 0.392·29-s − 0.179·31-s − 1.43·32-s + 2.81·33-s − 0.148·34-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 775 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 775 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(775\)    =    \(5^{2} \cdot 31\)
Sign: $1$
Analytic conductor: \(6.18840\)
Root analytic conductor: \(2.48765\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 775,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(4.955049639\)
\(L(\frac12)\) \(\approx\) \(4.955049639\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 \)
31 \( 1 + T \)
good2 \( 1 - 2.02T + 2T^{2} \)
3 \( 1 - 3.01T + 3T^{2} \)
7 \( 1 + 3.60T + 7T^{2} \)
11 \( 1 - 5.37T + 11T^{2} \)
13 \( 1 - 0.621T + 13T^{2} \)
17 \( 1 + 0.427T + 17T^{2} \)
19 \( 1 + 2.18T + 19T^{2} \)
23 \( 1 + 6.22T + 23T^{2} \)
29 \( 1 + 2.11T + 29T^{2} \)
37 \( 1 + 3.14T + 37T^{2} \)
41 \( 1 - 7.31T + 41T^{2} \)
43 \( 1 - 6.81T + 43T^{2} \)
47 \( 1 + 1.60T + 47T^{2} \)
53 \( 1 + 6.94T + 53T^{2} \)
59 \( 1 + 8.71T + 59T^{2} \)
61 \( 1 - 1.35T + 61T^{2} \)
67 \( 1 - 9.79T + 67T^{2} \)
71 \( 1 + 4.44T + 71T^{2} \)
73 \( 1 + 1.82T + 73T^{2} \)
79 \( 1 - 0.867T + 79T^{2} \)
83 \( 1 + 10.9T + 83T^{2} \)
89 \( 1 - 10.1T + 89T^{2} \)
97 \( 1 + 1.50T + 97T^{2} \)
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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

−10.06392901061598361927730863210, −9.255129683235248230748300747038, −8.863052610937500400471405153709, −7.58395108869298208701425993954, −6.59611646052111761905386871846, −6.04189702023288069261631130919, −4.31962492029749998772890342522, −3.77728450856502653797395272705, −3.11987994414762759485525943187, −2.03096518272028380986244670990, 2.03096518272028380986244670990, 3.11987994414762759485525943187, 3.77728450856502653797395272705, 4.31962492029749998772890342522, 6.04189702023288069261631130919, 6.59611646052111761905386871846, 7.58395108869298208701425993954, 8.863052610937500400471405153709, 9.255129683235248230748300747038, 10.06392901061598361927730863210

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