Properties

Label 2-31e2-31.20-c1-0-7
Degree $2$
Conductor $961$
Sign $-0.996 + 0.0846i$
Analytic cond. $7.67362$
Root an. cond. $2.77013$
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  + (0.640 + 1.97i)2-s + (1.43 + 1.58i)3-s + (−1.85 + 1.34i)4-s + (−1.17 − 2.03i)5-s + (−2.21 + 3.83i)6-s + (0.384 + 3.65i)7-s + (−0.492 − 0.357i)8-s + (−0.164 + 1.56i)9-s + (3.25 − 3.61i)10-s + (3.91 + 1.74i)11-s + (−4.79 − 1.02i)12-s + (−2.04 + 0.433i)13-s + (−6.95 + 3.09i)14-s + (1.55 − 4.77i)15-s + (−1.02 + 3.16i)16-s + (−1.94 + 0.865i)17-s + ⋯
L(s)  = 1  + (0.452 + 1.39i)2-s + (0.826 + 0.917i)3-s + (−0.927 + 0.674i)4-s + (−0.525 − 0.909i)5-s + (−0.904 + 1.56i)6-s + (0.145 + 1.38i)7-s + (−0.174 − 0.126i)8-s + (−0.0549 + 0.522i)9-s + (1.02 − 1.14i)10-s + (1.17 + 0.524i)11-s + (−1.38 − 0.294i)12-s + (−0.566 + 0.120i)13-s + (−1.85 + 0.827i)14-s + (0.400 − 1.23i)15-s + (−0.256 + 0.790i)16-s + (−0.471 + 0.209i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 961 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.996 + 0.0846i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 961 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.996 + 0.0846i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(961\)    =    \(31^{2}\)
Sign: $-0.996 + 0.0846i$
Analytic conductor: \(7.67362\)
Root analytic conductor: \(2.77013\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{961} (547, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 961,\ (\ :1/2),\ -0.996 + 0.0846i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.103734 - 2.44687i\)
\(L(\frac12)\) \(\approx\) \(0.103734 - 2.44687i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad31 \( 1 \)
good2 \( 1 + (-0.640 - 1.97i)T + (-1.61 + 1.17i)T^{2} \)
3 \( 1 + (-1.43 - 1.58i)T + (-0.313 + 2.98i)T^{2} \)
5 \( 1 + (1.17 + 2.03i)T + (-2.5 + 4.33i)T^{2} \)
7 \( 1 + (-0.384 - 3.65i)T + (-6.84 + 1.45i)T^{2} \)
11 \( 1 + (-3.91 - 1.74i)T + (7.36 + 8.17i)T^{2} \)
13 \( 1 + (2.04 - 0.433i)T + (11.8 - 5.28i)T^{2} \)
17 \( 1 + (1.94 - 0.865i)T + (11.3 - 12.6i)T^{2} \)
19 \( 1 + (-0.606 - 0.128i)T + (17.3 + 7.72i)T^{2} \)
23 \( 1 + (2.71 + 1.97i)T + (7.10 + 21.8i)T^{2} \)
29 \( 1 + (-0.425 - 1.31i)T + (-23.4 + 17.0i)T^{2} \)
37 \( 1 + (-0.137 + 0.237i)T + (-18.5 - 32.0i)T^{2} \)
41 \( 1 + (2.86 - 3.17i)T + (-4.28 - 40.7i)T^{2} \)
43 \( 1 + (-0.263 - 0.0560i)T + (39.2 + 17.4i)T^{2} \)
47 \( 1 + (-1.66 + 5.11i)T + (-38.0 - 27.6i)T^{2} \)
53 \( 1 + (-0.993 + 9.45i)T + (-51.8 - 11.0i)T^{2} \)
59 \( 1 + (3.89 + 4.33i)T + (-6.16 + 58.6i)T^{2} \)
61 \( 1 + 2.22T + 61T^{2} \)
67 \( 1 + (-6.80 - 11.7i)T + (-33.5 + 58.0i)T^{2} \)
71 \( 1 + (-0.139 + 1.32i)T + (-69.4 - 14.7i)T^{2} \)
73 \( 1 + (-12.9 - 5.76i)T + (48.8 + 54.2i)T^{2} \)
79 \( 1 + (7.92 - 3.52i)T + (52.8 - 58.7i)T^{2} \)
83 \( 1 + (-3.46 + 3.85i)T + (-8.67 - 82.5i)T^{2} \)
89 \( 1 + (-4.05 + 2.94i)T + (27.5 - 84.6i)T^{2} \)
97 \( 1 + (5.43 - 3.94i)T + (29.9 - 92.2i)T^{2} \)
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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

−9.987846511127170880922743472762, −9.207514808900393819002883436620, −8.584461295873678208256401558286, −8.246974636913438155704033008745, −7.00962300186521237044268386095, −6.14005884483465353245860895687, −5.06214633024320067812502339790, −4.52447908830167970159316261963, −3.70868943224482631000848731218, −2.14381542870162967989931803122, 0.944572577765009510414937832097, 2.04909472234466268002809210030, 3.14317343410380338739218566782, 3.72893491725405204229276278126, 4.62720038030374165432813697690, 6.44161122604247426605135411661, 7.32792846599374551306721935078, 7.62253667175466583256790434463, 8.905573938628021009733504283023, 9.855592012314927344338237249468

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