Properties

Label 2-70-1.1-c7-0-9
Degree $2$
Conductor $70$
Sign $-1$
Analytic cond. $21.8669$
Root an. cond. $4.67621$
Motivic weight $7$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 8·2-s − 93·3-s + 64·4-s + 125·5-s − 744·6-s + 343·7-s + 512·8-s + 6.46e3·9-s + 1.00e3·10-s − 2.16e3·11-s − 5.95e3·12-s − 1.66e3·13-s + 2.74e3·14-s − 1.16e4·15-s + 4.09e3·16-s − 3.57e4·17-s + 5.16e4·18-s + 2.02e4·19-s + 8.00e3·20-s − 3.18e4·21-s − 1.73e4·22-s − 4.21e4·23-s − 4.76e4·24-s + 1.56e4·25-s − 1.32e4·26-s − 3.97e5·27-s + 2.19e4·28-s + ⋯
L(s)  = 1  + 0.707·2-s − 1.98·3-s + 1/2·4-s + 0.447·5-s − 1.40·6-s + 0.377·7-s + 0.353·8-s + 2.95·9-s + 0.316·10-s − 0.490·11-s − 0.994·12-s − 0.209·13-s + 0.267·14-s − 0.889·15-s + 1/4·16-s − 1.76·17-s + 2.08·18-s + 0.676·19-s + 0.223·20-s − 0.751·21-s − 0.347·22-s − 0.722·23-s − 0.703·24-s + 1/5·25-s − 0.148·26-s − 3.88·27-s + 0.188·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 70 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 70 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(70\)    =    \(2 \cdot 5 \cdot 7\)
Sign: $-1$
Analytic conductor: \(21.8669\)
Root analytic conductor: \(4.67621\)
Motivic weight: \(7\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 70,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p^{3} T \)
5 \( 1 - p^{3} T \)
7 \( 1 - p^{3} T \)
good3 \( 1 + 31 p T + p^{7} T^{2} \)
11 \( 1 + 197 p T + p^{7} T^{2} \)
13 \( 1 + 1661 T + p^{7} T^{2} \)
17 \( 1 + 35771 T + p^{7} T^{2} \)
19 \( 1 - 20222 T + p^{7} T^{2} \)
23 \( 1 + 42130 T + p^{7} T^{2} \)
29 \( 1 + 111789 T + p^{7} T^{2} \)
31 \( 1 + 269504 T + p^{7} T^{2} \)
37 \( 1 - 532774 T + p^{7} T^{2} \)
41 \( 1 - 158056 T + p^{7} T^{2} \)
43 \( 1 + 521874 T + p^{7} T^{2} \)
47 \( 1 + 939733 T + p^{7} T^{2} \)
53 \( 1 + 408384 T + p^{7} T^{2} \)
59 \( 1 + 522172 T + p^{7} T^{2} \)
61 \( 1 - 350080 T + p^{7} T^{2} \)
67 \( 1 + 3931176 T + p^{7} T^{2} \)
71 \( 1 - 1194016 T + p^{7} T^{2} \)
73 \( 1 - 998350 T + p^{7} T^{2} \)
79 \( 1 + 2120709 T + p^{7} T^{2} \)
83 \( 1 + 1746708 T + p^{7} T^{2} \)
89 \( 1 + 10077740 T + p^{7} T^{2} \)
97 \( 1 + 6238295 T + p^{7} T^{2} \)
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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

−12.69362413585645205424718153233, −11.45434015453331570780147383664, −10.96734454157312658203098730151, −9.739758237592853792796587117015, −7.37328762833955662740195748137, −6.25627768659347379788030877787, −5.33031194131864932264044013813, −4.36674476943709959838801653601, −1.77191670656768194676704463876, 0, 1.77191670656768194676704463876, 4.36674476943709959838801653601, 5.33031194131864932264044013813, 6.25627768659347379788030877787, 7.37328762833955662740195748137, 9.739758237592853792796587117015, 10.96734454157312658203098730151, 11.45434015453331570780147383664, 12.69362413585645205424718153233

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