Properties

Label 1890.2.l.f
Level $1890$
Weight $2$
Character orbit 1890.l
Analytic conductor $15.092$
Analytic rank $0$
Dimension $12$
CM no
Inner twists $2$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1890,2,Mod(361,1890)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1890, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([2, 0, 4]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1890.361");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1890 = 2 \cdot 3^{3} \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1890.l (of order \(3\), 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: \(15.0917259820\)
Analytic rank: \(0\)
Dimension: \(12\)
Relative dimension: \(6\) over \(\Q(\zeta_{3})\)
Coefficient field: 12.0.91830304992969.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - 2x^{11} + x^{10} + 4x^{9} - 7x^{8} + x^{7} + 7x^{6} + 2x^{5} - 28x^{4} + 32x^{3} + 16x^{2} - 64x + 64 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 3^{6} \)
Twist minimal: no (minimal twist has level 630)
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-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.

\(f(q)\) \(=\) \( q + ( - \beta_{3} - 1) q^{2} + \beta_{3} q^{4} - q^{5} + ( - \beta_{11} - \beta_{10} + \beta_{9} + \cdots - 1) q^{7}+ \cdots + q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_{3} - 1) q^{2} + \beta_{3} q^{4} - q^{5} + ( - \beta_{11} - \beta_{10} + \beta_{9} + \cdots - 1) q^{7}+ \cdots + (\beta_{11} - 2 \beta_{10} + \beta_{9} + \cdots + 1) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q - 6 q^{2} - 6 q^{4} - 12 q^{5} - 8 q^{7} + 12 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( 12 q - 6 q^{2} - 6 q^{4} - 12 q^{5} - 8 q^{7} + 12 q^{8} + 6 q^{10} - 14 q^{11} - 2 q^{13} + 4 q^{14} - 6 q^{16} - q^{17} - 2 q^{19} + 6 q^{20} + 7 q^{22} - 18 q^{23} + 12 q^{25} - 2 q^{26} + 4 q^{28} - 3 q^{29} - 9 q^{31} - 6 q^{32} - q^{34} + 8 q^{35} + 6 q^{37} + 4 q^{38} - 12 q^{40} + 11 q^{41} + 23 q^{43} + 7 q^{44} + 9 q^{46} - q^{47} - 24 q^{49} - 6 q^{50} + 4 q^{52} + 4 q^{53} + 14 q^{55} - 8 q^{56} + 6 q^{58} - 11 q^{59} - 25 q^{61} + 18 q^{62} + 12 q^{64} + 2 q^{65} - 2 q^{67} + 2 q^{68} - 4 q^{70} - 22 q^{71} + 24 q^{73} - 12 q^{74} - 2 q^{76} - q^{77} - q^{79} + 6 q^{80} + 11 q^{82} - 4 q^{83} + q^{85} - 46 q^{86} - 14 q^{88} - 2 q^{89} - 8 q^{91} + 9 q^{92} - q^{94} + 2 q^{95} - 36 q^{97} + 24 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{12} - 2x^{11} + x^{10} + 4x^{9} - 7x^{8} + x^{7} + 7x^{6} + 2x^{5} - 28x^{4} + 32x^{3} + 16x^{2} - 64x + 64 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - \nu^{11} + 2 \nu^{10} - 17 \nu^{9} + 76 \nu^{8} - 73 \nu^{7} + 15 \nu^{6} + 73 \nu^{5} - 2 \nu^{4} + \cdots - 960 ) / 288 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( - \nu^{11} - 10 \nu^{10} + 43 \nu^{9} - 56 \nu^{8} + 11 \nu^{7} + 3 \nu^{6} + \nu^{5} - 98 \nu^{4} + \cdots + 672 ) / 288 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( - 3 \nu^{11} + 11 \nu^{10} - 13 \nu^{9} + \nu^{8} + \nu^{7} + 2 \nu^{6} - 24 \nu^{5} - 11 \nu^{4} + \cdots - 128 ) / 144 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 5 \nu^{11} + 20 \nu^{10} - 11 \nu^{9} - 14 \nu^{8} + 65 \nu^{7} + 27 \nu^{6} - 131 \nu^{5} + \cdots + 576 ) / 288 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( - 3 \nu^{11} + 38 \nu^{10} - 139 \nu^{9} + 172 \nu^{8} - 35 \nu^{7} - 187 \nu^{6} + 3 \nu^{5} + \cdots - 1568 ) / 288 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 3 \nu^{11} + 23 \nu^{10} - 37 \nu^{9} + 25 \nu^{8} + 25 \nu^{7} - 22 \nu^{6} - 60 \nu^{5} + \cdots - 176 ) / 144 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 13 \nu^{11} + 24 \nu^{10} - 47 \nu^{9} + 54 \nu^{8} + 53 \nu^{7} - 49 \nu^{6} - 139 \nu^{5} + \cdots + 256 ) / 288 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - \nu^{11} + \nu^{10} + \nu^{9} - 5 \nu^{8} + 3 \nu^{7} + 6 \nu^{6} - 8 \nu^{5} - 9 \nu^{4} + \cdots + 48 ) / 16 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 9 \nu^{11} + \nu^{10} + 49 \nu^{9} - 85 \nu^{8} + 35 \nu^{7} + 94 \nu^{6} - 72 \nu^{5} - 145 \nu^{4} + \cdots + 752 ) / 144 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 7 \nu^{11} + 8 \nu^{10} + 13 \nu^{9} - 26 \nu^{8} + 17 \nu^{7} + 27 \nu^{6} - 47 \nu^{5} + \cdots + 192 ) / 96 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 33 \nu^{11} + 64 \nu^{10} - 65 \nu^{9} - 22 \nu^{8} + 59 \nu^{7} + 37 \nu^{6} - 93 \nu^{5} + \cdots + 224 ) / 288 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{10} - \beta_{8} - \beta_{6} + \beta_{3} - 2\beta_{2} - \beta _1 + 2 ) / 3 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{10} - 2\beta_{9} + \beta_{8} - \beta_{5} ) / 3 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{11} + 2\beta_{7} - 2\beta_{6} - \beta_{4} - 3 ) / 3 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( - \beta_{10} - \beta_{9} + 2 \beta_{8} + 2 \beta_{7} + 3 \beta_{6} - 2 \beta_{5} - 4 \beta_{4} + \cdots - 2 ) / 3 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 5\beta_{11} - \beta_{10} - 3\beta_{9} - 5\beta_{8} - \beta_{7} + 3\beta_{6} - 6\beta_{5} - \beta_{4} - 3\beta_{3} ) / 3 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( - 6 \beta_{10} + 3 \beta_{9} + 3 \beta_{8} - 2 \beta_{7} + 6 \beta_{6} - 3 \beta_{5} + \beta_{4} + \cdots + 2 ) / 3 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 6 \beta_{11} + 7 \beta_{10} - 3 \beta_{9} - 7 \beta_{8} - 3 \beta_{7} + 2 \beta_{6} - 3 \beta_{5} + \cdots - 19 ) / 3 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 3 \beta_{11} + 4 \beta_{10} - 2 \beta_{9} + 4 \beta_{8} + 4 \beta_{7} + 3 \beta_{6} + 2 \beta_{5} + \cdots - 7 ) / 3 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 4 \beta_{11} + 21 \beta_{10} + 3 \beta_{9} - 24 \beta_{8} + 12 \beta_{7} - 8 \beta_{6} - 3 \beta_{5} + \cdots - 4 ) / 3 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 6 \beta_{11} + 20 \beta_{10} - 37 \beta_{9} - 16 \beta_{8} + \beta_{7} + 27 \beta_{6} - 41 \beta_{5} + \cdots + 29 ) / 3 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - \beta_{11} - 13 \beta_{10} - 6 \beta_{9} - 29 \beta_{8} + 14 \beta_{7} - 9 \beta_{6} - 27 \beta_{5} + \cdots + 3 ) / 3 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1890\mathbb{Z}\right)^\times\).

\(n\) \(757\) \(1081\) \(1541\)
\(\chi(n)\) \(1\) \(\beta_{3}\) \(-1 - \beta_{3}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
361.1
1.04029 0.958022i
0.309529 1.37992i
0.683706 + 1.23796i
−1.41396 + 0.0268737i
−0.989378 1.01051i
1.36982 + 0.351572i
1.04029 + 0.958022i
0.309529 + 1.37992i
0.683706 1.23796i
−1.41396 0.0268737i
−0.989378 + 1.01051i
1.36982 0.351572i
−0.500000 + 0.866025i 0 −0.500000 0.866025i −1.00000 0 −2.64400 0.0963576i 1.00000 0 0.500000 0.866025i
361.2 −0.500000 + 0.866025i 0 −0.500000 0.866025i −1.00000 0 −2.64400 0.0963576i 1.00000 0 0.500000 0.866025i
361.3 −0.500000 + 0.866025i 0 −0.500000 0.866025i −1.00000 0 −0.0665372 + 2.64491i 1.00000 0 0.500000 0.866025i
361.4 −0.500000 + 0.866025i 0 −0.500000 0.866025i −1.00000 0 −0.0665372 + 2.64491i 1.00000 0 0.500000 0.866025i
361.5 −0.500000 + 0.866025i 0 −0.500000 0.866025i −1.00000 0 0.710533 2.54856i 1.00000 0 0.500000 0.866025i
361.6 −0.500000 + 0.866025i 0 −0.500000 0.866025i −1.00000 0 0.710533 2.54856i 1.00000 0 0.500000 0.866025i
1801.1 −0.500000 0.866025i 0 −0.500000 + 0.866025i −1.00000 0 −2.64400 + 0.0963576i 1.00000 0 0.500000 + 0.866025i
1801.2 −0.500000 0.866025i 0 −0.500000 + 0.866025i −1.00000 0 −2.64400 + 0.0963576i 1.00000 0 0.500000 + 0.866025i
1801.3 −0.500000 0.866025i 0 −0.500000 + 0.866025i −1.00000 0 −0.0665372 2.64491i 1.00000 0 0.500000 + 0.866025i
1801.4 −0.500000 0.866025i 0 −0.500000 + 0.866025i −1.00000 0 −0.0665372 2.64491i 1.00000 0 0.500000 + 0.866025i
1801.5 −0.500000 0.866025i 0 −0.500000 + 0.866025i −1.00000 0 0.710533 + 2.54856i 1.00000 0 0.500000 + 0.866025i
1801.6 −0.500000 0.866025i 0 −0.500000 + 0.866025i −1.00000 0 0.710533 + 2.54856i 1.00000 0 0.500000 + 0.866025i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 361.6
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
63.g even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1890.2.l.f 12
3.b odd 2 1 630.2.l.h yes 12
7.c even 3 1 1890.2.i.h 12
9.c even 3 1 1890.2.i.h 12
9.d odd 6 1 630.2.i.f 12
21.h odd 6 1 630.2.i.f 12
63.g even 3 1 inner 1890.2.l.f 12
63.n odd 6 1 630.2.l.h yes 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
630.2.i.f 12 9.d odd 6 1
630.2.i.f 12 21.h odd 6 1
630.2.l.h yes 12 3.b odd 2 1
630.2.l.h yes 12 63.n odd 6 1
1890.2.i.h 12 7.c even 3 1
1890.2.i.h 12 9.c even 3 1
1890.2.l.f 12 1.a even 1 1 trivial
1890.2.l.f 12 63.g even 3 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1890, [\chi])\):

\( T_{11}^{6} + 7T_{11}^{5} - 8T_{11}^{4} - 132T_{11}^{3} - 132T_{11}^{2} + 486T_{11} + 729 \) Copy content Toggle raw display
\( T_{13}^{12} + 2 T_{13}^{11} + 34 T_{13}^{10} - 28 T_{13}^{9} + 808 T_{13}^{8} - 67 T_{13}^{7} + 4072 T_{13}^{6} + \cdots + 9 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{2} + T + 1)^{6} \) Copy content Toggle raw display
$3$ \( T^{12} \) Copy content Toggle raw display
$5$ \( (T + 1)^{12} \) Copy content Toggle raw display
$7$ \( (T^{6} + 4 T^{5} + \cdots + 343)^{2} \) Copy content Toggle raw display
$11$ \( (T^{6} + 7 T^{5} + \cdots + 729)^{2} \) Copy content Toggle raw display
$13$ \( T^{12} + 2 T^{11} + \cdots + 9 \) Copy content Toggle raw display
$17$ \( T^{12} + T^{11} + \cdots + 49660209 \) Copy content Toggle raw display
$19$ \( T^{12} + 2 T^{11} + \cdots + 9 \) Copy content Toggle raw display
$23$ \( (T^{6} + 9 T^{5} + \cdots - 243)^{2} \) Copy content Toggle raw display
$29$ \( T^{12} + 3 T^{11} + \cdots + 531441 \) Copy content Toggle raw display
$31$ \( T^{12} + 9 T^{11} + \cdots + 11881 \) Copy content Toggle raw display
$37$ \( T^{12} - 6 T^{11} + \cdots + 32137561 \) Copy content Toggle raw display
$41$ \( T^{12} + \cdots + 44545901481 \) Copy content Toggle raw display
$43$ \( T^{12} - 23 T^{11} + \cdots + 11771761 \) Copy content Toggle raw display
$47$ \( T^{12} + T^{11} + \cdots + 6561 \) Copy content Toggle raw display
$53$ \( T^{12} + \cdots + 503418969 \) Copy content Toggle raw display
$59$ \( T^{12} + \cdots + 76396407201 \) Copy content Toggle raw display
$61$ \( T^{12} + 25 T^{11} + \cdots + 14600041 \) Copy content Toggle raw display
$67$ \( T^{12} + \cdots + 455352921 \) Copy content Toggle raw display
$71$ \( (T^{6} + 11 T^{5} + \cdots + 27)^{2} \) Copy content Toggle raw display
$73$ \( T^{12} - 24 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$79$ \( T^{12} + \cdots + 61140969289 \) Copy content Toggle raw display
$83$ \( T^{12} + \cdots + 130439241 \) Copy content Toggle raw display
$89$ \( T^{12} + 2 T^{11} + \cdots + 4549689 \) Copy content Toggle raw display
$97$ \( (T^{6} + 18 T^{5} + \cdots + 49)^{2} \) Copy content Toggle raw display
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