Properties

Label 2-15e2-1.1-c7-0-42
Degree $2$
Conductor $225$
Sign $-1$
Analytic cond. $70.2866$
Root an. cond. $8.38371$
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 + 68·4-s + 1.64e3·7-s + 840·8-s − 172·11-s − 3.86e3·13-s − 2.30e4·14-s − 2.04e4·16-s − 1.22e4·17-s − 2.59e4·19-s + 2.40e3·22-s + 1.29e4·23-s + 5.40e4·26-s + 1.11e5·28-s + 8.16e4·29-s − 1.56e5·31-s + 1.78e5·32-s + 1.71e5·34-s − 1.10e5·37-s + 3.63e5·38-s − 4.67e5·41-s + 4.99e5·43-s − 1.16e4·44-s − 1.81e5·46-s − 3.96e5·47-s + 1.87e6·49-s − 2.62e5·52-s + ⋯
L(s)  = 1  − 1.23·2-s + 0.531·4-s + 1.81·7-s + 0.580·8-s − 0.0389·11-s − 0.487·13-s − 2.24·14-s − 1.24·16-s − 0.604·17-s − 0.867·19-s + 0.0482·22-s + 0.222·23-s + 0.603·26-s + 0.962·28-s + 0.621·29-s − 0.945·31-s + 0.965·32-s + 0.748·34-s − 0.357·37-s + 1.07·38-s − 1.06·41-s + 0.957·43-s − 0.0206·44-s − 0.275·46-s − 0.557·47-s + 2.28·49-s − 0.259·52-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 225 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 225 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(225\)    =    \(3^{2} \cdot 5^{2}\)
Sign: $-1$
Analytic conductor: \(70.2866\)
Root analytic conductor: \(8.38371\)
Motivic weight: \(7\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 225,\ (\ :7/2),\ -1)\)

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)$
bad3 \( 1 \)
5 \( 1 \)
good2 \( 1 + 7 p T + p^{7} T^{2} \)
7 \( 1 - 1644 T + p^{7} T^{2} \)
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

−10.58651038208196706130852999408, −9.342317723494190576927339941303, −8.473421392889925733511336407841, −7.86865430656889013134500429133, −6.85999430917465431390934259689, −5.15252587340879113562066353529, −4.31893310148058171188744029716, −2.20517991521422499312839618955, −1.34692517842840542426501629975, 0, 1.34692517842840542426501629975, 2.20517991521422499312839618955, 4.31893310148058171188744029716, 5.15252587340879113562066353529, 6.85999430917465431390934259689, 7.86865430656889013134500429133, 8.473421392889925733511336407841, 9.342317723494190576927339941303, 10.58651038208196706130852999408

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