Properties

Label 20.6.c.a
Level 20
Weight 6
Character orbit 20.c
Analytic conductor 3.208
Analytic rank 0
Dimension 2
CM No
Inner twists 2

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Newspace parameters

Level: \( N \) = \( 20 = 2^{2} \cdot 5 \)
Weight: \( k \) = \( 6 \)
Character orbit: \([\chi]\) = 20.c (of order \(2\) and degree \(1\))

Newform invariants

Self dual: No
Analytic conductor: \(3.20767639626\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-31}) \)
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 2^{2} \)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

Coefficients of the \(q\)-expansion are expressed in terms of \(\beta = 2\sqrt{-31}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q -\beta q^{3} + ( -5 - 5 \beta ) q^{5} -11 \beta q^{7} + 119 q^{9} +O(q^{10})\) \( q -\beta q^{3} + ( -5 - 5 \beta ) q^{5} -11 \beta q^{7} + 119 q^{9} -100 q^{11} + 66 \beta q^{13} + ( -620 + 5 \beta ) q^{15} + 88 \beta q^{17} + 2244 q^{19} -1364 q^{21} -307 \beta q^{23} + ( -3075 + 50 \beta ) q^{25} -362 \beta q^{27} + 7854 q^{29} -2144 q^{31} + 100 \beta q^{33} + ( -6820 + 55 \beta ) q^{35} + 934 \beta q^{37} + 8184 q^{39} -7414 q^{41} + 1595 \beta q^{43} + ( -595 - 595 \beta ) q^{45} -847 \beta q^{47} + 1803 q^{49} + 10912 q^{51} -2178 \beta q^{53} + ( 500 + 500 \beta ) q^{55} -2244 \beta q^{57} -25972 q^{59} -3058 q^{61} -1309 \beta q^{63} + ( 40920 - 330 \beta ) q^{65} + 5279 \beta q^{67} -38068 q^{69} + 37608 q^{71} + 2156 \beta q^{73} + ( 6200 + 3075 \beta ) q^{75} + 1100 \beta q^{77} -79728 q^{79} -15971 q^{81} + 1463 \beta q^{83} + ( 54560 - 440 \beta ) q^{85} -7854 \beta q^{87} + 826 q^{89} + 90024 q^{91} + 2144 \beta q^{93} + ( -11220 - 11220 \beta ) q^{95} -3376 \beta q^{97} -11900 q^{99} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2q - 10q^{5} + 238q^{9} + O(q^{10}) \) \( 2q - 10q^{5} + 238q^{9} - 200q^{11} - 1240q^{15} + 4488q^{19} - 2728q^{21} - 6150q^{25} + 15708q^{29} - 4288q^{31} - 13640q^{35} + 16368q^{39} - 14828q^{41} - 1190q^{45} + 3606q^{49} + 21824q^{51} + 1000q^{55} - 51944q^{59} - 6116q^{61} + 81840q^{65} - 76136q^{69} + 75216q^{71} + 12400q^{75} - 159456q^{79} - 31942q^{81} + 109120q^{85} + 1652q^{89} + 180048q^{91} - 22440q^{95} - 23800q^{99} + O(q^{100}) \)

Character Values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/20\mathbb{Z}\right)^\times\).

\(n\) \(11\) \(17\)
\(\chi(n)\) \(1\) \(-1\)

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

Label \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
9.1
0.500000 + 2.78388i
0.500000 2.78388i
0 11.1355i 0 −5.00000 55.6776i 0 122.491i 0 119.000 0
9.2 0 11.1355i 0 −5.00000 + 55.6776i 0 122.491i 0 119.000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char. orbit Parity Mult. Self Twist Proved
1.a Even 1 trivial yes
5.b Even 1 yes

Hecke kernels

There are no other newforms in \(S_{6}^{\mathrm{new}}(20, [\chi])\).