Properties

Label 2-7e2-49.39-c1-0-0
Degree $2$
Conductor $49$
Sign $-0.652 - 0.757i$
Analytic cond. $0.391266$
Root an. cond. $0.625513$
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  + (−1.23 − 0.186i)2-s + (−2.40 + 1.63i)3-s + (−0.419 − 0.129i)4-s + (0.186 + 2.49i)5-s + (3.27 − 1.57i)6-s + (−2.47 − 0.946i)7-s + (2.74 + 1.32i)8-s + (1.99 − 5.08i)9-s + (0.233 − 3.11i)10-s + (0.723 + 1.84i)11-s + (1.22 − 0.376i)12-s + (−1.63 + 2.05i)13-s + (2.87 + 1.62i)14-s + (−4.52 − 5.67i)15-s + (−2.41 − 1.64i)16-s + (1.83 + 1.69i)17-s + ⋯
L(s)  = 1  + (−0.873 − 0.131i)2-s + (−1.38 + 0.946i)3-s + (−0.209 − 0.0647i)4-s + (0.0834 + 1.11i)5-s + (1.33 − 0.643i)6-s + (−0.933 − 0.357i)7-s + (0.970 + 0.467i)8-s + (0.665 − 1.69i)9-s + (0.0737 − 0.983i)10-s + (0.218 + 0.555i)11-s + (0.352 − 0.108i)12-s + (−0.454 + 0.570i)13-s + (0.768 + 0.435i)14-s + (−1.16 − 1.46i)15-s + (−0.604 − 0.412i)16-s + (0.444 + 0.412i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.652 - 0.757i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.652 - 0.757i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(49\)    =    \(7^{2}\)
Sign: $-0.652 - 0.757i$
Analytic conductor: \(0.391266\)
Root analytic conductor: \(0.625513\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{49} (39, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 49,\ (\ :1/2),\ -0.652 - 0.757i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.105719 + 0.230555i\)
\(L(\frac12)\) \(\approx\) \(0.105719 + 0.230555i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + (2.47 + 0.946i)T \)
good2 \( 1 + (1.23 + 0.186i)T + (1.91 + 0.589i)T^{2} \)
3 \( 1 + (2.40 - 1.63i)T + (1.09 - 2.79i)T^{2} \)
5 \( 1 + (-0.186 - 2.49i)T + (-4.94 + 0.745i)T^{2} \)
11 \( 1 + (-0.723 - 1.84i)T + (-8.06 + 7.48i)T^{2} \)
13 \( 1 + (1.63 - 2.05i)T + (-2.89 - 12.6i)T^{2} \)
17 \( 1 + (-1.83 - 1.69i)T + (1.27 + 16.9i)T^{2} \)
19 \( 1 + (-1.16 - 2.02i)T + (-9.5 + 16.4i)T^{2} \)
23 \( 1 + (4.68 - 4.34i)T + (1.71 - 22.9i)T^{2} \)
29 \( 1 + (0.385 - 1.68i)T + (-26.1 - 12.5i)T^{2} \)
31 \( 1 + (-2.50 + 4.33i)T + (-15.5 - 26.8i)T^{2} \)
37 \( 1 + (-3.77 + 1.16i)T + (30.5 - 20.8i)T^{2} \)
41 \( 1 + (3.16 + 1.52i)T + (25.5 + 32.0i)T^{2} \)
43 \( 1 + (-3.27 + 1.57i)T + (26.8 - 33.6i)T^{2} \)
47 \( 1 + (-4.48 - 0.676i)T + (44.9 + 13.8i)T^{2} \)
53 \( 1 + (-3.25 - 1.00i)T + (43.7 + 29.8i)T^{2} \)
59 \( 1 + (0.582 - 7.77i)T + (-58.3 - 8.79i)T^{2} \)
61 \( 1 + (12.7 - 3.93i)T + (50.4 - 34.3i)T^{2} \)
67 \( 1 + (-4.31 + 7.46i)T + (-33.5 - 58.0i)T^{2} \)
71 \( 1 + (-1.97 - 8.66i)T + (-63.9 + 30.8i)T^{2} \)
73 \( 1 + (5.52 - 0.832i)T + (69.7 - 21.5i)T^{2} \)
79 \( 1 + (-8.63 - 14.9i)T + (-39.5 + 68.4i)T^{2} \)
83 \( 1 + (-2.86 - 3.58i)T + (-18.4 + 80.9i)T^{2} \)
89 \( 1 + (-4.93 + 12.5i)T + (-65.2 - 60.5i)T^{2} \)
97 \( 1 + 4.68T + 97T^{2} \)
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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

−16.47065205307469690631688832636, −15.23407282173921611354492008100, −13.94687661432974552053830760536, −12.14663617613293415994224325067, −10.93130187576842436651698198028, −10.07913984042211804937076782036, −9.576679387366614928357082000626, −7.24882513740871785670853052316, −5.89523487198330994087416932817, −4.11902978839987215288367660293, 0.64563580618313198116007393821, 5.03012855541802805730264614575, 6.37244184108254183030213854486, 7.82347599183033926182765243225, 9.128505371335406867280048255396, 10.37569611584630370153927899709, 11.99626917574324278011937922489, 12.70519595887676120757290759084, 13.57505800347789780768881844233, 16.08589917788992987329470360001

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