Properties

Label 2-775-1.1-c1-0-45
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.54·2-s + 0.124·3-s + 0.377·4-s + 0.192·6-s − 4.01·7-s − 2.50·8-s − 2.98·9-s + 0.974·11-s + 0.0471·12-s + 2.01·13-s − 6.19·14-s − 4.61·16-s − 7.68·17-s − 4.60·18-s + 1.11·19-s − 0.502·21-s + 1.50·22-s + 2.43·23-s − 0.312·24-s + 3.11·26-s − 0.747·27-s − 1.51·28-s − 6.25·29-s + 31-s − 2.10·32-s + 0.121·33-s − 11.8·34-s + ⋯
L(s)  = 1  + 1.09·2-s + 0.0721·3-s + 0.188·4-s + 0.0786·6-s − 1.51·7-s − 0.884·8-s − 0.994·9-s + 0.293·11-s + 0.0136·12-s + 0.559·13-s − 1.65·14-s − 1.15·16-s − 1.86·17-s − 1.08·18-s + 0.255·19-s − 0.109·21-s + 0.320·22-s + 0.507·23-s − 0.0638·24-s + 0.610·26-s − 0.143·27-s − 0.286·28-s − 1.16·29-s + 0.179·31-s − 0.372·32-s + 0.0211·33-s − 2.03·34-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: \(1\)
Selberg data: \((2,\ 775,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.54T + 2T^{2} \)
3 \( 1 - 0.124T + 3T^{2} \)
7 \( 1 + 4.01T + 7T^{2} \)
11 \( 1 - 0.974T + 11T^{2} \)
13 \( 1 - 2.01T + 13T^{2} \)
17 \( 1 + 7.68T + 17T^{2} \)
19 \( 1 - 1.11T + 19T^{2} \)
23 \( 1 - 2.43T + 23T^{2} \)
29 \( 1 + 6.25T + 29T^{2} \)
37 \( 1 - 9.60T + 37T^{2} \)
41 \( 1 - 8.36T + 41T^{2} \)
43 \( 1 + 11.1T + 43T^{2} \)
47 \( 1 + 11.6T + 47T^{2} \)
53 \( 1 + 4.09T + 53T^{2} \)
59 \( 1 - 9.85T + 59T^{2} \)
61 \( 1 + 4.17T + 61T^{2} \)
67 \( 1 - 7.41T + 67T^{2} \)
71 \( 1 - 6.02T + 71T^{2} \)
73 \( 1 + 4.20T + 73T^{2} \)
79 \( 1 + 2.19T + 79T^{2} \)
83 \( 1 + 9.70T + 83T^{2} \)
89 \( 1 - 3.96T + 89T^{2} \)
97 \( 1 + 16.5T + 97T^{2} \)
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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

−9.640180564860557614829411849082, −9.175432515423924296775434463531, −8.322602888535907082738852264735, −6.73803002023152352594981845449, −6.30360095761504171834735993112, −5.43331805179682219880286011836, −4.26556015538163957034862653700, −3.39970284215423413799154690200, −2.59047915425360233582599871283, 0, 2.59047915425360233582599871283, 3.39970284215423413799154690200, 4.26556015538163957034862653700, 5.43331805179682219880286011836, 6.30360095761504171834735993112, 6.73803002023152352594981845449, 8.322602888535907082738852264735, 9.175432515423924296775434463531, 9.640180564860557614829411849082

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