Properties

Label 2-1575-21.20-c1-0-42
Degree $2$
Conductor $1575$
Sign $-0.577 + 0.816i$
Analytic cond. $12.5764$
Root an. cond. $3.54632$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.16i·2-s + 0.645·4-s + 2.64·7-s − 3.07i·8-s − 6.57i·11-s − 3.07i·14-s − 2.29·16-s − 7.64·22-s − 1.91i·23-s + 1.70·28-s + 8.89i·29-s − 3.49i·32-s − 10.5·37-s + 5.29·43-s − 4.24i·44-s + ⋯
L(s)  = 1  − 0.822i·2-s + 0.322·4-s + 0.999·7-s − 1.08i·8-s − 1.98i·11-s − 0.822i·14-s − 0.572·16-s − 1.63·22-s − 0.399i·23-s + 0.322·28-s + 1.65i·29-s − 0.617i·32-s − 1.73·37-s + 0.806·43-s − 0.639i·44-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1575 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.577 + 0.816i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1575 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.577 + 0.816i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1575\)    =    \(3^{2} \cdot 5^{2} \cdot 7\)
Sign: $-0.577 + 0.816i$
Analytic conductor: \(12.5764\)
Root analytic conductor: \(3.54632\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1575} (251, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1575,\ (\ :1/2),\ -0.577 + 0.816i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.131978389\)
\(L(\frac12)\) \(\approx\) \(2.131978389\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.64T \)
good2 \( 1 + 1.16iT - 2T^{2} \)
11 \( 1 + 6.57iT - 11T^{2} \)
13 \( 1 - 13T^{2} \)
17 \( 1 + 17T^{2} \)
19 \( 1 - 19T^{2} \)
23 \( 1 + 1.91iT - 23T^{2} \)
29 \( 1 - 8.89iT - 29T^{2} \)
31 \( 1 - 31T^{2} \)
37 \( 1 + 10.5T + 37T^{2} \)
41 \( 1 + 41T^{2} \)
43 \( 1 - 5.29T + 43T^{2} \)
47 \( 1 + 47T^{2} \)
53 \( 1 + 0.412iT - 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 - 61T^{2} \)
67 \( 1 - 4T + 67T^{2} \)
71 \( 1 + 15.0iT - 71T^{2} \)
73 \( 1 - 73T^{2} \)
79 \( 1 - 8T + 79T^{2} \)
83 \( 1 + 83T^{2} \)
89 \( 1 + 89T^{2} \)
97 \( 1 - 97T^{2} \)
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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

−9.044959443311421457180471414542, −8.547767274993075087297279725831, −7.63167604965816847753459454626, −6.71595373065199350240138613809, −5.83159702892474670142972799150, −4.95324942122393747081156992276, −3.71174307494864839037167559787, −3.05769001791890848389834561012, −1.88212149471879291596206431913, −0.830088934259370455168746585630, 1.71436586487546910800778629431, 2.42209821186719376666119312660, 4.09724138510205194607742399311, 4.90611365990112501245130557397, 5.60678939072480557305574146205, 6.67187287926856091829365227287, 7.34499818166505059255869613852, 7.84417318866743676699972446377, 8.671519541878905881471133976238, 9.666403805550574654493044551269

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