Properties

Label 2-245-1.1-c7-0-65
Degree $2$
Conductor $245$
Sign $-1$
Analytic cond. $76.5343$
Root an. cond. $8.74839$
Motivic weight $7$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 14·2-s + 48·3-s + 68·4-s − 125·5-s − 672·6-s + 840·8-s + 117·9-s + 1.75e3·10-s + 172·11-s + 3.26e3·12-s − 3.86e3·13-s − 6.00e3·15-s − 2.04e4·16-s + 1.22e4·17-s − 1.63e3·18-s + 2.59e4·19-s − 8.50e3·20-s − 2.40e3·22-s + 1.29e4·23-s + 4.03e4·24-s + 1.56e4·25-s + 5.40e4·26-s − 9.93e4·27-s − 8.16e4·29-s + 8.40e4·30-s + 1.56e5·31-s + 1.78e5·32-s + ⋯
L(s)  = 1  − 1.23·2-s + 1.02·3-s + 0.531·4-s − 0.447·5-s − 1.27·6-s + 0.580·8-s + 0.0534·9-s + 0.553·10-s + 0.0389·11-s + 0.545·12-s − 0.487·13-s − 0.459·15-s − 1.24·16-s + 0.604·17-s − 0.0662·18-s + 0.867·19-s − 0.237·20-s − 0.0482·22-s + 0.222·23-s + 0.595·24-s + 1/5·25-s + 0.603·26-s − 0.971·27-s − 0.621·29-s + 0.568·30-s + 0.945·31-s + 0.965·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 245 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 245 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(245\)    =    \(5 \cdot 7^{2}\)
Sign: $-1$
Analytic conductor: \(76.5343\)
Root analytic conductor: \(8.74839\)
Motivic weight: \(7\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 245,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 + p^{3} T \)
7 \( 1 \)
good2 \( 1 + 7 p T + p^{7} T^{2} \)
3 \( 1 - 16 p T + p^{7} T^{2} \)
11 \( 1 - 172 T + p^{7} T^{2} \)
13 \( 1 + 3862 T + p^{7} T^{2} \)
17 \( 1 - 12254 T + p^{7} T^{2} \)
19 \( 1 - 25940 T + p^{7} T^{2} \)
23 \( 1 - 564 p T + p^{7} T^{2} \)
29 \( 1 + 81610 T + p^{7} T^{2} \)
31 \( 1 - 156888 T + p^{7} T^{2} \)
37 \( 1 - 110126 T + p^{7} T^{2} \)
41 \( 1 + 467882 T + p^{7} T^{2} \)
43 \( 1 + 499208 T + p^{7} T^{2} \)
47 \( 1 - 396884 T + p^{7} T^{2} \)
53 \( 1 + 1280498 T + p^{7} T^{2} \)
59 \( 1 - 1337420 T + p^{7} T^{2} \)
61 \( 1 - 923978 T + p^{7} T^{2} \)
67 \( 1 + 797304 T + p^{7} T^{2} \)
71 \( 1 - 5103392 T + p^{7} T^{2} \)
73 \( 1 - 4267478 T + p^{7} T^{2} \)
79 \( 1 + 960 T + p^{7} T^{2} \)
83 \( 1 + 6140832 T + p^{7} T^{2} \)
89 \( 1 + 2010570 T + p^{7} T^{2} \)
97 \( 1 - 4881934 T + p^{7} T^{2} \)
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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

−9.909056029293540990281971831290, −9.374220021716801770704449003461, −8.339161688332284537693126638853, −7.87142702508686580996085408640, −6.91093694032112156314716015523, −5.14451159723646969101501231111, −3.72830607343629680673902191389, −2.57785694791060638973223193227, −1.27401742909994405236416983669, 0, 1.27401742909994405236416983669, 2.57785694791060638973223193227, 3.72830607343629680673902191389, 5.14451159723646969101501231111, 6.91093694032112156314716015523, 7.87142702508686580996085408640, 8.339161688332284537693126638853, 9.374220021716801770704449003461, 9.909056029293540990281971831290

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