Properties

Label 2-1575-1.1-c1-0-34
Degree $2$
Conductor $1575$
Sign $-1$
Analytic cond. $12.5764$
Root an. cond. $3.54632$
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  − 2.56·2-s + 4.56·4-s + 7-s − 6.56·8-s + 1.56·11-s − 0.438·13-s − 2.56·14-s + 7.68·16-s − 0.438·17-s − 7.12·19-s − 4·22-s + 3.12·23-s + 1.12·26-s + 4.56·28-s − 6.68·29-s − 6.56·32-s + 1.12·34-s − 6·37-s + 18.2·38-s − 5.12·41-s − 0.876·43-s + 7.12·44-s − 8·46-s − 8.68·47-s + 49-s − 2·52-s − 5.12·53-s + ⋯
L(s)  = 1  − 1.81·2-s + 2.28·4-s + 0.377·7-s − 2.31·8-s + 0.470·11-s − 0.121·13-s − 0.684·14-s + 1.92·16-s − 0.106·17-s − 1.63·19-s − 0.852·22-s + 0.651·23-s + 0.220·26-s + 0.862·28-s − 1.24·29-s − 1.15·32-s + 0.192·34-s − 0.986·37-s + 2.95·38-s − 0.800·41-s − 0.133·43-s + 1.07·44-s − 1.17·46-s − 1.26·47-s + 0.142·49-s − 0.277·52-s − 0.703·53-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1575 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1575 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1575\)    =    \(3^{2} \cdot 5^{2} \cdot 7\)
Sign: $-1$
Analytic conductor: \(12.5764\)
Root analytic conductor: \(3.54632\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1575,\ (\ :1/2),\ -1)\)

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)$
bad3 \( 1 \)
5 \( 1 \)
7 \( 1 - T \)
good2 \( 1 + 2.56T + 2T^{2} \)
11 \( 1 - 1.56T + 11T^{2} \)
13 \( 1 + 0.438T + 13T^{2} \)
17 \( 1 + 0.438T + 17T^{2} \)
19 \( 1 + 7.12T + 19T^{2} \)
23 \( 1 - 3.12T + 23T^{2} \)
29 \( 1 + 6.68T + 29T^{2} \)
31 \( 1 + 31T^{2} \)
37 \( 1 + 6T + 37T^{2} \)
41 \( 1 + 5.12T + 41T^{2} \)
43 \( 1 + 0.876T + 43T^{2} \)
47 \( 1 + 8.68T + 47T^{2} \)
53 \( 1 + 5.12T + 53T^{2} \)
59 \( 1 - 4T + 59T^{2} \)
61 \( 1 - 15.3T + 61T^{2} \)
67 \( 1 + 10.2T + 67T^{2} \)
71 \( 1 + 8T + 71T^{2} \)
73 \( 1 - 12.2T + 73T^{2} \)
79 \( 1 + 2.43T + 79T^{2} \)
83 \( 1 - 4T + 83T^{2} \)
89 \( 1 - 1.12T + 89T^{2} \)
97 \( 1 + 5.80T + 97T^{2} \)
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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

−8.857664306828943862619908537831, −8.512769786128803042405763142343, −7.62553134897065989058171359457, −6.86623343592287364109257264726, −6.22973029611827376351658369969, −4.98272862173393119618273505555, −3.66107307481191790408273410344, −2.31451230682140083030351424908, −1.48819737723106523844865324567, 0, 1.48819737723106523844865324567, 2.31451230682140083030351424908, 3.66107307481191790408273410344, 4.98272862173393119618273505555, 6.22973029611827376351658369969, 6.86623343592287364109257264726, 7.62553134897065989058171359457, 8.512769786128803042405763142343, 8.857664306828943862619908537831

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