Properties

Label 3900.2.by.i
Level $3900$
Weight $2$
Character orbit 3900.by
Analytic conductor $31.142$
Analytic rank $0$
Dimension $12$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [3900,2,Mod(1849,3900)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3900, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 0, 3, 2]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3900.1849");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3900 = 2^{2} \cdot 3 \cdot 5^{2} \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3900.by (of order \(6\), degree \(2\), 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: \(31.1416567883\)
Analytic rank: \(0\)
Dimension: \(12\)
Relative dimension: \(6\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\mathbb{Q}[x]/(x^{12} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - 2x^{11} + 2x^{10} - 16x^{9} + 68x^{7} - 8x^{6} + 124x^{5} + 300x^{4} - 152x^{3} + 32x^{2} - 16x + 4 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{2}\cdot 3^{2} \)
Twist minimal: no (minimal twist has level 780)
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{11}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{2} q^{3} + \beta_{7} q^{7} + \beta_{4} q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{2} q^{3} + \beta_{7} q^{7} + \beta_{4} q^{9} + (\beta_{9} + \beta_{8} + \cdots - \beta_{3}) q^{13}+ \cdots + (2 \beta_{9} + \beta_{8} + \cdots + \beta_{2}) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q + 6 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 12 q + 6 q^{9} - 8 q^{19} - 4 q^{21} + 16 q^{29} - 28 q^{31} + 8 q^{39} + 12 q^{41} + 12 q^{49} - 8 q^{51} - 24 q^{59} - 18 q^{61} - 8 q^{69} + 20 q^{71} - 44 q^{79} - 6 q^{81} + 8 q^{89} + 54 q^{91}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{12} - 2x^{11} + 2x^{10} - 16x^{9} + 68x^{7} - 8x^{6} + 124x^{5} + 300x^{4} - 152x^{3} + 32x^{2} - 16x + 4 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 729 \nu^{11} - 1469 \nu^{10} + 3242 \nu^{9} - 22570 \nu^{8} + 14064 \nu^{7} + 11426 \nu^{6} + \cdots - 2775760 ) / 960300 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( - 8183 \nu^{11} + 36831 \nu^{10} - 46967 \nu^{9} + 153539 \nu^{8} - 309148 \nu^{7} - 720114 \nu^{6} + \cdots + 704 ) / 960300 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 8183 \nu^{11} - 36831 \nu^{10} + 46967 \nu^{9} - 153539 \nu^{8} + 309148 \nu^{7} + 720114 \nu^{6} + \cdots - 704 ) / 320100 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 3064 \nu^{11} - 5479 \nu^{10} + 5147 \nu^{9} - 48195 \nu^{8} - 10126 \nu^{7} + 203716 \nu^{6} + \cdots - 24360 ) / 29100 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 101233 \nu^{11} - 176181 \nu^{10} + 149167 \nu^{9} - 1565689 \nu^{8} - 423802 \nu^{7} + \cdots - 810604 ) / 960300 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 293007 \nu^{11} + 524102 \nu^{10} - 491261 \nu^{9} + 4607635 \nu^{8} + 961638 \nu^{7} + \cdots + 2329780 ) / 960300 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 97746 \nu^{11} + 171022 \nu^{10} - 146329 \nu^{9} + 1514693 \nu^{8} + 393024 \nu^{7} + \cdots + 782048 ) / 320100 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 313886 \nu^{11} + 481452 \nu^{10} - 368339 \nu^{9} + 4790663 \nu^{8} + 2289584 \nu^{7} + \cdots + 2715968 ) / 960300 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 336673 \nu^{11} + 581061 \nu^{10} - 495352 \nu^{9} + 5213134 \nu^{8} + 1453762 \nu^{7} + \cdots + 2718124 ) / 960300 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 67761 \nu^{11} + 121246 \nu^{10} - 112633 \nu^{9} + 1063115 \nu^{8} + 222684 \nu^{7} + \cdots + 645020 ) / 192060 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 68478 \nu^{11} + 122603 \nu^{10} - 116129 \nu^{9} + 1082635 \nu^{8} + 213462 \nu^{7} + \cdots + 1078360 ) / 192060 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{11} - 2\beta_{10} + 2\beta_{9} + \beta_{8} - 3\beta_{7} + 3\beta_{6} - \beta_{3} + \beta_{2} - \beta _1 + 1 ) / 6 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{3} + 3\beta_{2} \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 2 \beta_{11} - 2 \beta_{10} - 2 \beta_{9} - 4 \beta_{8} + 9 \beta_{7} + 6 \beta_{5} + 7 \beta_{3} + \cdots + 10 ) / 3 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -\beta_{11} - 2\beta_{10} + 9\beta_{6} + 16\beta_{4} - \beta _1 + 1 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( - 22 \beta_{11} - 11 \beta_{10} + 11 \beta_{9} - 11 \beta_{8} + 60 \beta_{6} + 63 \beta_{4} + 38 \beta_{3} + \cdots - 74 ) / 3 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( -10\beta_{9} - 20\beta_{8} + 70\beta_{7} + 102\beta_{5} + 60\beta_{3} + 112\beta_{2} \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( - 71 \beta_{11} - 142 \beta_{10} - 142 \beta_{9} - 71 \beta_{8} + 423 \beta_{7} + 423 \beta_{6} + \cdots + 71 ) / 3 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( -160\beta_{11} - 80\beta_{10} + 522\beta_{6} + 706\beta_{4} - 442\beta _1 - 786 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( - 494 \beta_{11} + 494 \beta_{10} - 494 \beta_{9} - 988 \beta_{8} + 3048 \beta_{7} + 3852 \beta_{5} + \cdots - 4840 ) / 3 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( -1204\beta_{9} - 602\beta_{8} + 3838\beta_{7} + 5052\beta_{5} + 602\beta_{3} - 602\beta_{2} \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - 7084 \beta_{11} - 3542 \beta_{10} - 3542 \beta_{9} + 3542 \beta_{8} + 22140 \beta_{6} + 28446 \beta_{4} + \cdots - 31988 ) / 3 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3900\mathbb{Z}\right)^\times\).

\(n\) \(301\) \(1301\) \(1951\) \(3277\)
\(\chi(n)\) \(-\beta_{4}\) \(1\) \(1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1849.1
−0.0840693 0.313751i
0.417169 + 1.55689i
−0.699125 2.60917i
2.60917 0.699125i
−1.55689 + 0.417169i
0.313751 0.0840693i
−0.0840693 + 0.313751i
0.417169 1.55689i
−0.699125 + 2.60917i
2.60917 + 0.699125i
−1.55689 0.417169i
0.313751 + 0.0840693i
0 −0.866025 + 0.500000i 0 0 0 −2.50670 1.44725i 0 0.500000 0.866025i 0
1849.2 0 −0.866025 + 0.500000i 0 0 0 −0.348184 0.201024i 0 0.500000 0.866025i 0
1849.3 0 −0.866025 + 0.500000i 0 0 0 3.72091 + 2.14827i 0 0.500000 0.866025i 0
1849.4 0 0.866025 0.500000i 0 0 0 −3.72091 2.14827i 0 0.500000 0.866025i 0
1849.5 0 0.866025 0.500000i 0 0 0 0.348184 + 0.201024i 0 0.500000 0.866025i 0
1849.6 0 0.866025 0.500000i 0 0 0 2.50670 + 1.44725i 0 0.500000 0.866025i 0
3649.1 0 −0.866025 0.500000i 0 0 0 −2.50670 + 1.44725i 0 0.500000 + 0.866025i 0
3649.2 0 −0.866025 0.500000i 0 0 0 −0.348184 + 0.201024i 0 0.500000 + 0.866025i 0
3649.3 0 −0.866025 0.500000i 0 0 0 3.72091 2.14827i 0 0.500000 + 0.866025i 0
3649.4 0 0.866025 + 0.500000i 0 0 0 −3.72091 + 2.14827i 0 0.500000 + 0.866025i 0
3649.5 0 0.866025 + 0.500000i 0 0 0 0.348184 0.201024i 0 0.500000 + 0.866025i 0
3649.6 0 0.866025 + 0.500000i 0 0 0 2.50670 1.44725i 0 0.500000 + 0.866025i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1849.6
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.b even 2 1 inner
13.c even 3 1 inner
65.n even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3900.2.by.i 12
5.b even 2 1 inner 3900.2.by.i 12
5.c odd 4 1 780.2.q.d 6
5.c odd 4 1 3900.2.q.m 6
13.c even 3 1 inner 3900.2.by.i 12
15.e even 4 1 2340.2.q.i 6
65.n even 6 1 inner 3900.2.by.i 12
65.q odd 12 1 780.2.q.d 6
65.q odd 12 1 3900.2.q.m 6
195.bl even 12 1 2340.2.q.i 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
780.2.q.d 6 5.c odd 4 1
780.2.q.d 6 65.q odd 12 1
2340.2.q.i 6 15.e even 4 1
2340.2.q.i 6 195.bl even 12 1
3900.2.q.m 6 5.c odd 4 1
3900.2.q.m 6 65.q odd 12 1
3900.2.by.i 12 1.a even 1 1 trivial
3900.2.by.i 12 5.b even 2 1 inner
3900.2.by.i 12 13.c even 3 1 inner
3900.2.by.i 12 65.n even 6 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(3900, [\chi])\):

\( T_{7}^{12} - 27T_{7}^{10} + 570T_{7}^{8} - 4243T_{7}^{6} + 24606T_{7}^{4} - 3975T_{7}^{2} + 625 \) Copy content Toggle raw display
\( T_{11} \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{12} \) Copy content Toggle raw display
$3$ \( (T^{4} - T^{2} + 1)^{3} \) Copy content Toggle raw display
$5$ \( T^{12} \) Copy content Toggle raw display
$7$ \( T^{12} - 27 T^{10} + \cdots + 625 \) Copy content Toggle raw display
$11$ \( T^{12} \) Copy content Toggle raw display
$13$ \( T^{12} + 33 T^{10} + \cdots + 4826809 \) Copy content Toggle raw display
$17$ \( T^{12} - 28 T^{10} + \cdots + 104976 \) Copy content Toggle raw display
$19$ \( (T^{6} + 4 T^{5} + \cdots + 15376)^{2} \) Copy content Toggle raw display
$23$ \( T^{12} + \cdots + 429981696 \) Copy content Toggle raw display
$29$ \( (T^{6} - 8 T^{5} + \cdots + 54756)^{2} \) Copy content Toggle raw display
$31$ \( (T^{3} + 7 T^{2} + \cdots - 715)^{4} \) Copy content Toggle raw display
$37$ \( (T^{4} - 4 T^{2} + 16)^{3} \) Copy content Toggle raw display
$41$ \( (T^{6} - 6 T^{5} + \cdots + 72900)^{2} \) Copy content Toggle raw display
$43$ \( T^{12} + \cdots + 4228250625 \) Copy content Toggle raw display
$47$ \( (T^{6} + 252 T^{4} + \cdots + 236196)^{2} \) Copy content Toggle raw display
$53$ \( (T^{6} + 112 T^{4} + \cdots + 20736)^{2} \) Copy content Toggle raw display
$59$ \( (T^{6} + 12 T^{5} + \cdots + 2916)^{2} \) Copy content Toggle raw display
$61$ \( (T^{6} + 9 T^{5} + \cdots + 76729)^{2} \) Copy content Toggle raw display
$67$ \( T^{12} - 207 T^{10} + \cdots + 12117361 \) Copy content Toggle raw display
$71$ \( (T^{6} - 10 T^{5} + \cdots + 324)^{2} \) Copy content Toggle raw display
$73$ \( (T^{6} + 35 T^{4} + \cdots + 729)^{2} \) Copy content Toggle raw display
$79$ \( (T^{3} + 11 T^{2} + \cdots + 97)^{4} \) Copy content Toggle raw display
$83$ \( (T^{6} + 268 T^{4} + \cdots + 5184)^{2} \) Copy content Toggle raw display
$89$ \( (T^{6} - 4 T^{5} + \cdots + 93636)^{2} \) Copy content Toggle raw display
$97$ \( T^{12} + \cdots + 39923636481 \) Copy content Toggle raw display
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