Properties

Label 2-245-1.1-c1-0-7
Degree $2$
Conductor $245$
Sign $1$
Analytic cond. $1.95633$
Root an. cond. $1.39869$
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  + 2.41·2-s − 0.414·3-s + 3.82·4-s + 5-s − 0.999·6-s + 4.41·8-s − 2.82·9-s + 2.41·10-s − 0.828·11-s − 1.58·12-s − 4.82·13-s − 0.414·15-s + 2.99·16-s + 4.82·17-s − 6.82·18-s + 2.82·19-s + 3.82·20-s − 1.99·22-s + 0.414·23-s − 1.82·24-s + 25-s − 11.6·26-s + 2.41·27-s − 29-s − 0.999·30-s − 6·31-s − 1.58·32-s + ⋯
L(s)  = 1  + 1.70·2-s − 0.239·3-s + 1.91·4-s + 0.447·5-s − 0.408·6-s + 1.56·8-s − 0.942·9-s + 0.763·10-s − 0.249·11-s − 0.457·12-s − 1.33·13-s − 0.106·15-s + 0.749·16-s + 1.17·17-s − 1.60·18-s + 0.648·19-s + 0.856·20-s − 0.426·22-s + 0.0863·23-s − 0.373·24-s + 0.200·25-s − 2.28·26-s + 0.464·27-s − 0.185·29-s − 0.182·30-s − 1.07·31-s − 0.280·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 245 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 245 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(245\)    =    \(5 \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(1.95633\)
Root analytic conductor: \(1.39869\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 245,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.774693320\)
\(L(\frac12)\) \(\approx\) \(2.774693320\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 - T \)
7 \( 1 \)
good2 \( 1 - 2.41T + 2T^{2} \)
3 \( 1 + 0.414T + 3T^{2} \)
11 \( 1 + 0.828T + 11T^{2} \)
13 \( 1 + 4.82T + 13T^{2} \)
17 \( 1 - 4.82T + 17T^{2} \)
19 \( 1 - 2.82T + 19T^{2} \)
23 \( 1 - 0.414T + 23T^{2} \)
29 \( 1 + T + 29T^{2} \)
31 \( 1 + 6T + 31T^{2} \)
37 \( 1 + 37T^{2} \)
41 \( 1 + 7.82T + 41T^{2} \)
43 \( 1 - 3.58T + 43T^{2} \)
47 \( 1 - 2T + 47T^{2} \)
53 \( 1 + 1.17T + 53T^{2} \)
59 \( 1 - 4.48T + 59T^{2} \)
61 \( 1 - 5.48T + 61T^{2} \)
67 \( 1 - 9.58T + 67T^{2} \)
71 \( 1 - 4.48T + 71T^{2} \)
73 \( 1 + 0.828T + 73T^{2} \)
79 \( 1 - 14.8T + 79T^{2} \)
83 \( 1 - 13.7T + 83T^{2} \)
89 \( 1 + 8.65T + 89T^{2} \)
97 \( 1 - 11.6T + 97T^{2} \)
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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

−12.21738619107954657487750275838, −11.59140178287151689150463252320, −10.51927318717257616782224371613, −9.381054512580261451282804578375, −7.77168289287107728268345394436, −6.69074264906189113526561940800, −5.47053587624388605004895475256, −5.14890638880266816814320518669, −3.52003517756079828896625081031, −2.42385574941462730227162082321, 2.42385574941462730227162082321, 3.52003517756079828896625081031, 5.14890638880266816814320518669, 5.47053587624388605004895475256, 6.69074264906189113526561940800, 7.77168289287107728268345394436, 9.381054512580261451282804578375, 10.51927318717257616782224371613, 11.59140178287151689150463252320, 12.21738619107954657487750275838

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