Properties

Label 2-1575-5.4-c1-0-15
Degree $2$
Conductor $1575$
Sign $-0.447 - 0.894i$
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  + 2.68i·2-s − 5.19·4-s i·7-s − 8.56i·8-s − 3.19·11-s − 6.38i·13-s + 2.68·14-s + 12.5·16-s + 5.36i·17-s + 2.38·19-s − 8.57i·22-s + 3.19i·23-s + 17.1·26-s + 5.19i·28-s + 2.16·29-s + ⋯
L(s)  = 1  + 1.89i·2-s − 2.59·4-s − 0.377i·7-s − 3.02i·8-s − 0.964·11-s − 1.77i·13-s + 0.716·14-s + 3.14·16-s + 1.30i·17-s + 0.547·19-s − 1.82i·22-s + 0.666i·23-s + 3.35·26-s + 0.981i·28-s + 0.402·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1575 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.447 - 0.894i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1575 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.447 - 0.894i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1575\)    =    \(3^{2} \cdot 5^{2} \cdot 7\)
Sign: $-0.447 - 0.894i$
Analytic conductor: \(12.5764\)
Root analytic conductor: \(3.54632\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1575} (1324, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1575,\ (\ :1/2),\ -0.447 - 0.894i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.220936359\)
\(L(\frac12)\) \(\approx\) \(1.220936359\)
\(L(\frac{3}{2})\) 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 \( 1 + iT \)
good2 \( 1 - 2.68iT - 2T^{2} \)
11 \( 1 + 3.19T + 11T^{2} \)
13 \( 1 + 6.38iT - 13T^{2} \)
17 \( 1 - 5.36iT - 17T^{2} \)
19 \( 1 - 2.38T + 19T^{2} \)
23 \( 1 - 3.19iT - 23T^{2} \)
29 \( 1 - 2.16T + 29T^{2} \)
31 \( 1 - 6T + 31T^{2} \)
37 \( 1 - 3iT - 37T^{2} \)
41 \( 1 - 10.7T + 41T^{2} \)
43 \( 1 - 9.38iT - 43T^{2} \)
47 \( 1 + 11.7iT - 47T^{2} \)
53 \( 1 - 10.7iT - 53T^{2} \)
59 \( 1 - 11.7T + 59T^{2} \)
61 \( 1 + 61T^{2} \)
67 \( 1 + 9.38iT - 67T^{2} \)
71 \( 1 - 13.9T + 71T^{2} \)
73 \( 1 + 4.38iT - 73T^{2} \)
79 \( 1 - 5.38T + 79T^{2} \)
83 \( 1 - 4.33iT - 83T^{2} \)
89 \( 1 + 1.03T + 89T^{2} \)
97 \( 1 + 10.7iT - 97T^{2} \)
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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

−9.520688211638064684268419671619, −8.287410187993557078264063335731, −8.063154172298419596265075850277, −7.40956730348986479087947651000, −6.41817772094764414493657220948, −5.68421777018389364642466114739, −5.12361313190500976648048853927, −4.12613832004756132883808304498, −3.06541704021114377646044966162, −0.76174286644347241860624873776, 0.800552624707541126172825028039, 2.24535447504166971945491152603, 2.69118405787036053489710805693, 3.91835069558195567804720340168, 4.70533612438452772791044110887, 5.40689710899919309390409809270, 6.76846148760668283818574590041, 7.920942347875284339646683287527, 8.820216688348123050562566022401, 9.409226618434673982951930035206

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