Properties

Label 6240.2.w.f
Level $6240$
Weight $2$
Character orbit 6240.w
Analytic conductor $49.827$
Analytic rank $0$
Dimension $20$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [6240,2,Mod(3121,6240)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(6240, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 1, 0, 0, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("6240.3121");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 6240 = 2^{5} \cdot 3 \cdot 5 \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 6240.w (of order \(2\), degree \(1\), not minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(49.8266508613\)
Analytic rank: \(0\)
Dimension: \(20\)
Coefficient field: \(\mathbb{Q}[x]/(x^{20} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{20} - 2 x^{19} + 2 x^{18} - 5 x^{16} + 10 x^{15} - 12 x^{14} + 16 x^{13} - 2 x^{12} - 40 x^{11} + \cdots + 1024 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{23}]\)
Coefficient ring index: \( 2^{23} \)
Twist minimal: no (minimal twist has level 1560)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{19}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{2} q^{3} - \beta_{2} q^{5} + (\beta_{10} + 1) q^{7} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{2} q^{3} - \beta_{2} q^{5} + (\beta_{10} + 1) q^{7} - q^{9} + (\beta_{13} - \beta_{2}) q^{11} - \beta_{2} q^{13} - q^{15} + (\beta_{17} - \beta_{10} + 1) q^{17} + ( - \beta_{11} + \beta_{2}) q^{19} + (\beta_{15} - \beta_{2}) q^{21} + (\beta_{17} - \beta_{12} - \beta_{10} + \cdots - 2) q^{23}+ \cdots + ( - \beta_{13} + \beta_{2}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 20 q + 16 q^{7} - 20 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 20 q + 16 q^{7} - 20 q^{9} - 20 q^{15} + 16 q^{17} - 48 q^{23} - 20 q^{25} + 8 q^{31} - 16 q^{33} - 20 q^{39} + 16 q^{41} + 8 q^{47} + 36 q^{49} - 16 q^{55} + 16 q^{57} - 16 q^{63} - 20 q^{65} + 8 q^{71} + 40 q^{73} + 8 q^{79} + 20 q^{81} - 8 q^{87} + 56 q^{89} + 16 q^{95} - 48 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{20} - 2 x^{19} + 2 x^{18} - 5 x^{16} + 10 x^{15} - 12 x^{14} + 16 x^{13} - 2 x^{12} - 40 x^{11} + \cdots + 1024 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{19} - 10 \nu^{18} - 2 \nu^{17} - 8 \nu^{16} + 3 \nu^{15} + 18 \nu^{14} - 24 \nu^{13} + \cdots - 1024 ) / 1024 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 7 \nu^{19} - 4 \nu^{18} + 6 \nu^{17} + 36 \nu^{16} + 21 \nu^{15} - 28 \nu^{14} - 76 \nu^{13} + \cdots + 7680 ) / 4096 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 5 \nu^{19} - 36 \nu^{18} + 2 \nu^{17} - 68 \nu^{16} - 49 \nu^{15} + 100 \nu^{14} + 12 \nu^{13} + \cdots - 19968 ) / 2048 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{19} - 2 \nu^{18} + 2 \nu^{17} + 4 \nu^{16} - 9 \nu^{15} + 10 \nu^{14} - 12 \nu^{13} + 12 \nu^{12} + \cdots - 1536 ) / 256 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( \nu^{19} - 2 \nu^{18} + 2 \nu^{17} - 5 \nu^{15} + 10 \nu^{14} - 12 \nu^{13} + 16 \nu^{12} + \cdots - 1024 ) / 256 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - \nu^{19} + 2 \nu^{18} - 2 \nu^{17} + 5 \nu^{15} - 10 \nu^{14} + 12 \nu^{13} - 16 \nu^{12} + \cdots + 1024 ) / 256 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 9 \nu^{19} - 20 \nu^{18} + 38 \nu^{17} + 4 \nu^{16} - 59 \nu^{15} + 52 \nu^{14} - 76 \nu^{13} + \cdots - 12800 ) / 2048 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 7 \nu^{19} - 52 \nu^{18} + 6 \nu^{17} - 28 \nu^{16} - 107 \nu^{15} + 148 \nu^{14} - 76 \nu^{13} + \cdots - 29184 ) / 2048 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 3 \nu^{19} - 28 \nu^{18} + 46 \nu^{17} + 20 \nu^{16} - 87 \nu^{15} + 60 \nu^{14} - 140 \nu^{13} + \cdots - 16896 ) / 1024 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 11 \nu^{19} - 4 \nu^{18} + 2 \nu^{17} - 4 \nu^{16} + 63 \nu^{15} + 4 \nu^{14} + 44 \nu^{13} + \cdots + 4608 ) / 2048 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 21 \nu^{19} - 12 \nu^{18} - 66 \nu^{17} - 124 \nu^{16} - 63 \nu^{15} + 12 \nu^{14} + 212 \nu^{13} + \cdots - 37376 ) / 4096 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 11 \nu^{19} - 20 \nu^{18} + 14 \nu^{17} + 20 \nu^{16} - 95 \nu^{15} + 52 \nu^{14} - 124 \nu^{13} + \cdots - 12800 ) / 2048 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 29 \nu^{19} - 76 \nu^{18} - 30 \nu^{17} + 76 \nu^{16} - 169 \nu^{15} + 236 \nu^{14} - 260 \nu^{13} + \cdots - 13824 ) / 4096 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 41 \nu^{19} - 36 \nu^{18} - 54 \nu^{17} + 236 \nu^{16} - 133 \nu^{15} + 164 \nu^{14} - 292 \nu^{13} + \cdots - 1536 ) / 4096 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( - 43 \nu^{19} + 76 \nu^{18} + 2 \nu^{17} - 68 \nu^{16} + 127 \nu^{15} - 204 \nu^{14} + 236 \nu^{13} + \cdots + 12800 ) / 4096 \) Copy content Toggle raw display
\(\beta_{16}\)\(=\) \( ( 47 \nu^{19} - 52 \nu^{18} + 54 \nu^{17} + 100 \nu^{16} - 115 \nu^{15} + 212 \nu^{14} - 396 \nu^{13} + \cdots - 512 ) / 4096 \) Copy content Toggle raw display
\(\beta_{17}\)\(=\) \( ( - 25 \nu^{19} + 52 \nu^{18} - 74 \nu^{17} - 44 \nu^{16} + 245 \nu^{15} - 116 \nu^{14} + 260 \nu^{13} + \cdots + 34304 ) / 2048 \) Copy content Toggle raw display
\(\beta_{18}\)\(=\) \( ( - 27 \nu^{19} + 32 \nu^{18} - 38 \nu^{17} - 12 \nu^{16} + 159 \nu^{15} - 112 \nu^{14} + 276 \nu^{13} + \cdots + 23040 ) / 1024 \) Copy content Toggle raw display
\(\beta_{19}\)\(=\) \( ( 33 \nu^{19} - 20 \nu^{18} + 10 \nu^{17} + 12 \nu^{16} - 157 \nu^{15} + 84 \nu^{14} - 212 \nu^{13} + \cdots - 16896 ) / 1024 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{6} + \beta_{5} ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{17} - \beta_{15} - \beta_{10} + \beta_{9} - \beta_{4} - \beta_{2} - \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{19} + \beta_{18} + \beta_{17} + \beta_{16} + \beta_{11} + \beta_{9} - \beta_{8} + \beta_{7} + \cdots - \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( - \beta_{17} + 2 \beta_{16} - \beta_{15} - 2 \beta_{13} + 2 \beta_{12} + 2 \beta_{11} + 3 \beta_{10} + \cdots + 2 ) / 4 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( - \beta_{19} - \beta_{18} - \beta_{17} + \beta_{16} + 2 \beta_{15} + 4 \beta_{12} - \beta_{11} + \cdots - 4 ) / 4 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( - 2 \beta_{18} - \beta_{17} - 2 \beta_{16} - \beta_{15} + 2 \beta_{14} - 2 \beta_{13} - 2 \beta_{12} + \cdots - \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( \beta_{19} + 3 \beta_{18} + \beta_{17} - \beta_{16} + 2 \beta_{15} + 2 \beta_{14} + 4 \beta_{12} + \cdots - 14 ) / 4 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( - 4 \beta_{18} - \beta_{17} - 2 \beta_{16} + 3 \beta_{15} + 4 \beta_{14} + 2 \beta_{13} + 2 \beta_{12} + \cdots - 18 ) / 4 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 5 \beta_{19} + 5 \beta_{18} + 5 \beta_{17} - 5 \beta_{16} + 6 \beta_{15} + 4 \beta_{14} - 8 \beta_{13} + \cdots + 36 ) / 4 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 4 \beta_{19} + 2 \beta_{18} - 9 \beta_{17} - 2 \beta_{16} + 23 \beta_{15} + 10 \beta_{14} - 6 \beta_{13} + \cdots + 28 ) / 4 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - 7 \beta_{19} - 5 \beta_{18} + 17 \beta_{17} + 3 \beta_{16} - 10 \beta_{15} + 2 \beta_{14} - 8 \beta_{13} + \cdots - 14 ) / 4 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( - 8 \beta_{19} - 16 \beta_{18} + 15 \beta_{17} - 2 \beta_{16} + 11 \beta_{15} + 24 \beta_{14} + \cdots + 66 ) / 4 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( 9 \beta_{19} + 37 \beta_{18} - 23 \beta_{17} + 15 \beta_{16} - 50 \beta_{15} - 40 \beta_{13} + 12 \beta_{12} + \cdots + 88 ) / 4 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( - 4 \beta_{19} + 6 \beta_{18} + 15 \beta_{17} + 38 \beta_{16} + 47 \beta_{15} + 14 \beta_{14} + \cdots + 104 ) / 4 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( 9 \beta_{19} - 9 \beta_{18} + 65 \beta_{17} + 35 \beta_{16} - 66 \beta_{15} + 6 \beta_{14} - 104 \beta_{13} + \cdots - 202 ) / 4 \) Copy content Toggle raw display
\(\nu^{16}\)\(=\) \( ( - 16 \beta_{19} + 60 \beta_{18} - 33 \beta_{17} + 78 \beta_{16} + 35 \beta_{15} + 84 \beta_{14} + \cdots - 130 ) / 4 \) Copy content Toggle raw display
\(\nu^{17}\)\(=\) \( ( - 79 \beta_{19} - 79 \beta_{18} - 175 \beta_{17} + 143 \beta_{16} - 18 \beta_{15} - 36 \beta_{14} + \cdots - 620 ) / 4 \) Copy content Toggle raw display
\(\nu^{18}\)\(=\) \( ( - 124 \beta_{19} - 206 \beta_{18} - 65 \beta_{17} - 122 \beta_{16} + 119 \beta_{15} + 154 \beta_{14} + \cdots + 196 ) / 4 \) Copy content Toggle raw display
\(\nu^{19}\)\(=\) \( ( 153 \beta_{19} + 139 \beta_{18} - 303 \beta_{17} - 277 \beta_{16} + 254 \beta_{15} + 82 \beta_{14} + \cdots - 782 ) / 4 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/6240\mathbb{Z}\right)^\times\).

\(n\) \(1951\) \(2081\) \(2341\) \(2497\) \(5761\)
\(\chi(n)\) \(1\) \(1\) \(-1\) \(1\) \(1\)

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
3121.1
0.635342 1.26346i
−1.31746 + 0.514103i
1.20431 0.741368i
−0.524636 1.31330i
1.40238 0.182570i
1.22562 + 0.705594i
−0.732592 + 1.20967i
0.288202 + 1.38454i
−1.41183 + 0.0820714i
0.230662 1.39528i
0.635342 + 1.26346i
−1.31746 0.514103i
1.20431 + 0.741368i
−0.524636 + 1.31330i
1.40238 + 0.182570i
1.22562 0.705594i
−0.732592 1.20967i
0.288202 1.38454i
−1.41183 0.0820714i
0.230662 + 1.39528i
0 1.00000i 0 1.00000i 0 −4.21598 0 −1.00000 0
3121.2 0 1.00000i 0 1.00000i 0 −3.05712 0 −1.00000 0
3121.3 0 1.00000i 0 1.00000i 0 −1.16629 0 −1.00000 0
3121.4 0 1.00000i 0 1.00000i 0 −0.433192 0 −1.00000 0
3121.5 0 1.00000i 0 1.00000i 0 0.184370 0 −1.00000 0
3121.6 0 1.00000i 0 1.00000i 0 2.07003 0 −1.00000 0
3121.7 0 1.00000i 0 1.00000i 0 2.74234 0 −1.00000 0
3121.8 0 1.00000i 0 1.00000i 0 3.39492 0 −1.00000 0
3121.9 0 1.00000i 0 1.00000i 0 4.19666 0 −1.00000 0
3121.10 0 1.00000i 0 1.00000i 0 4.28425 0 −1.00000 0
3121.11 0 1.00000i 0 1.00000i 0 −4.21598 0 −1.00000 0
3121.12 0 1.00000i 0 1.00000i 0 −3.05712 0 −1.00000 0
3121.13 0 1.00000i 0 1.00000i 0 −1.16629 0 −1.00000 0
3121.14 0 1.00000i 0 1.00000i 0 −0.433192 0 −1.00000 0
3121.15 0 1.00000i 0 1.00000i 0 0.184370 0 −1.00000 0
3121.16 0 1.00000i 0 1.00000i 0 2.07003 0 −1.00000 0
3121.17 0 1.00000i 0 1.00000i 0 2.74234 0 −1.00000 0
3121.18 0 1.00000i 0 1.00000i 0 3.39492 0 −1.00000 0
3121.19 0 1.00000i 0 1.00000i 0 4.19666 0 −1.00000 0
3121.20 0 1.00000i 0 1.00000i 0 4.28425 0 −1.00000 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 3121.20
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
8.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 6240.2.w.f 20
4.b odd 2 1 1560.2.w.f 20
8.b even 2 1 inner 6240.2.w.f 20
8.d odd 2 1 1560.2.w.f 20
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1560.2.w.f 20 4.b odd 2 1
1560.2.w.f 20 8.d odd 2 1
6240.2.w.f 20 1.a even 1 1 trivial
6240.2.w.f 20 8.b even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(6240, [\chi])\):

\( T_{7}^{10} - 8 T_{7}^{9} - 12 T_{7}^{8} + 228 T_{7}^{7} - 275 T_{7}^{6} - 1636 T_{7}^{5} + 3358 T_{7}^{4} + \cdots + 416 \) Copy content Toggle raw display
\( T_{11}^{20} + 124 T_{11}^{18} + 6590 T_{11}^{16} + 195972 T_{11}^{14} + 3566297 T_{11}^{12} + \cdots + 198246400 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{20} \) Copy content Toggle raw display
$3$ \( (T^{2} + 1)^{10} \) Copy content Toggle raw display
$5$ \( (T^{2} + 1)^{10} \) Copy content Toggle raw display
$7$ \( (T^{10} - 8 T^{9} + \cdots + 416)^{2} \) Copy content Toggle raw display
$11$ \( T^{20} + \cdots + 198246400 \) Copy content Toggle raw display
$13$ \( (T^{2} + 1)^{10} \) Copy content Toggle raw display
$17$ \( (T^{10} - 8 T^{9} + \cdots - 3488)^{2} \) Copy content Toggle raw display
$19$ \( T^{20} + \cdots + 7487094784 \) Copy content Toggle raw display
$23$ \( (T^{10} + 24 T^{9} + \cdots - 3400352)^{2} \) Copy content Toggle raw display
$29$ \( T^{20} + \cdots + 1701250662400 \) Copy content Toggle raw display
$31$ \( (T^{10} - 4 T^{9} + \cdots - 16384)^{2} \) Copy content Toggle raw display
$37$ \( T^{20} + \cdots + 251442073600 \) Copy content Toggle raw display
$41$ \( (T^{10} - 8 T^{9} + \cdots - 50990720)^{2} \) Copy content Toggle raw display
$43$ \( T^{20} + 296 T^{18} + \cdots + 67108864 \) Copy content Toggle raw display
$47$ \( (T^{10} - 4 T^{9} + \cdots - 497096704)^{2} \) Copy content Toggle raw display
$53$ \( T^{20} + \cdots + 91447449849856 \) Copy content Toggle raw display
$59$ \( T^{20} + \cdots + 261369043615744 \) Copy content Toggle raw display
$61$ \( T^{20} + \cdots + 318928165273600 \) Copy content Toggle raw display
$67$ \( T^{20} + \cdots + 16\!\cdots\!00 \) Copy content Toggle raw display
$71$ \( (T^{10} - 4 T^{9} + \cdots + 104160256)^{2} \) Copy content Toggle raw display
$73$ \( (T^{10} - 20 T^{9} + \cdots + 4096)^{2} \) Copy content Toggle raw display
$79$ \( (T^{10} - 4 T^{9} + \cdots - 1678716928)^{2} \) Copy content Toggle raw display
$83$ \( T^{20} + \cdots + 35\!\cdots\!24 \) Copy content Toggle raw display
$89$ \( (T^{10} - 28 T^{9} + \cdots - 2344371904)^{2} \) Copy content Toggle raw display
$97$ \( (T^{10} + 24 T^{9} + \cdots + 176269088)^{2} \) Copy content Toggle raw display
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