Properties

Label 2-1575-21.20-c1-0-49
Degree $2$
Conductor $1575$
Sign $-0.910 - 0.412i$
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  − 1.41i·2-s + (−0.5 − 2.59i)7-s − 2.82i·8-s − 1.41i·11-s − 5.19i·13-s + (−3.67 + 0.707i)14-s − 4.00·16-s − 7.34·17-s + 5.19i·19-s − 2.00·22-s + 7.07i·23-s − 7.34·26-s − 1.41i·29-s − 5.19i·31-s + 10.3i·34-s + ⋯
L(s)  = 1  − 0.999i·2-s + (−0.188 − 0.981i)7-s − 0.999i·8-s − 0.426i·11-s − 1.44i·13-s + (−0.981 + 0.188i)14-s − 1.00·16-s − 1.78·17-s + 1.19i·19-s − 0.426·22-s + 1.47i·23-s − 1.44·26-s − 0.262i·29-s − 0.933i·31-s + 1.78i·34-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1575 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.910 - 0.412i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1575 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.910 - 0.412i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1575\)    =    \(3^{2} \cdot 5^{2} \cdot 7\)
Sign: $-0.910 - 0.412i$
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: \((2,\ 1575,\ (\ :1/2),\ -0.910 - 0.412i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.218079012\)
\(L(\frac12)\) \(\approx\) \(1.218079012\)
\(L(\frac{3}{2})\) 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 \( 1 + (0.5 + 2.59i)T \)
good2 \( 1 + 1.41iT - 2T^{2} \)
11 \( 1 + 1.41iT - 11T^{2} \)
13 \( 1 + 5.19iT - 13T^{2} \)
17 \( 1 + 7.34T + 17T^{2} \)
19 \( 1 - 5.19iT - 19T^{2} \)
23 \( 1 - 7.07iT - 23T^{2} \)
29 \( 1 + 1.41iT - 29T^{2} \)
31 \( 1 + 5.19iT - 31T^{2} \)
37 \( 1 - 8T + 37T^{2} \)
41 \( 1 + 41T^{2} \)
43 \( 1 - 5T + 43T^{2} \)
47 \( 1 + 7.34T + 47T^{2} \)
53 \( 1 + 5.65iT - 53T^{2} \)
59 \( 1 + 7.34T + 59T^{2} \)
61 \( 1 - 5.19iT - 61T^{2} \)
67 \( 1 + 7T + 67T^{2} \)
71 \( 1 - 2.82iT - 71T^{2} \)
73 \( 1 + 10.3iT - 73T^{2} \)
79 \( 1 - 14T + 79T^{2} \)
83 \( 1 - 7.34T + 83T^{2} \)
89 \( 1 + 14.6T + 89T^{2} \)
97 \( 1 - 5.19iT - 97T^{2} \)
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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

−9.349570675425657604867120640328, −8.073562081611305242529570400878, −7.51867194897739492065946659736, −6.50265606122229848944874024218, −5.76318395394248966154511831503, −4.40676383176610594170015999184, −3.65848891390443499347904285467, −2.85208741196689563831228447492, −1.65251161422378884792396157451, −0.43776668944705180736261646639, 2.05848124275456050316165314643, 2.67929590353215196777106880708, 4.48406787539151349840508467041, 4.88732293200713752147226885861, 6.21646216964931104442369312262, 6.56634674624358622498256895583, 7.21560368214974280975895388198, 8.364738522584268009643589649995, 8.944691042543722984464846165463, 9.423304098769723434972946637268

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