Properties

Label 1890.2.l.g
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: \(\mathbb{Q}[x]/(x^{12} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - 3 x^{11} + 7 x^{10} - 3 x^{9} - 2 x^{8} + 24 x^{7} - 21 x^{6} + 72 x^{5} - 18 x^{4} + \cdots + 729 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 3^{4} \)
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.

\(f(q)\) \(=\) \( q + \beta_{7} q^{2} + (\beta_{7} - 1) q^{4} - q^{5} + ( - \beta_{7} - \beta_{3} + 1) q^{7} - q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{7} q^{2} + (\beta_{7} - 1) q^{4} - q^{5} + ( - \beta_{7} - \beta_{3} + 1) q^{7} - q^{8} - \beta_{7} q^{10} + ( - \beta_{9} - \beta_{8} + \beta_{7} + \cdots - 1) q^{11}+ \cdots + (3 \beta_{10} + 2 \beta_{7} + \cdots + \beta_1) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q + 6 q^{2} - 6 q^{4} - 12 q^{5} + 4 q^{7} - 12 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( 12 q + 6 q^{2} - 6 q^{4} - 12 q^{5} + 4 q^{7} - 12 q^{8} - 6 q^{10} + 6 q^{11} - 2 q^{13} + 8 q^{14} - 6 q^{16} - q^{17} + 8 q^{19} + 6 q^{20} + 3 q^{22} + 22 q^{23} + 12 q^{25} + 2 q^{26} + 4 q^{28} - 13 q^{29} + 21 q^{31} + 6 q^{32} + q^{34} - 4 q^{35} + 18 q^{37} + 16 q^{38} + 12 q^{40} - 5 q^{41} - 11 q^{43} - 3 q^{44} + 11 q^{46} + 23 q^{47} + 24 q^{49} + 6 q^{50} + 4 q^{52} - 2 q^{53} - 6 q^{55} - 4 q^{56} - 26 q^{58} - q^{59} - q^{61} + 42 q^{62} + 12 q^{64} + 2 q^{65} + 2 q^{67} + 2 q^{68} - 8 q^{70} + 30 q^{71} + 22 q^{73} + 36 q^{74} + 8 q^{76} - 11 q^{77} + 27 q^{79} + 6 q^{80} + 5 q^{82} - 6 q^{83} + q^{85} - 22 q^{86} - 6 q^{88} + 18 q^{89} + 14 q^{91} - 11 q^{92} - 23 q^{94} - 8 q^{95} - 4 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{12} - 3 x^{11} + 7 x^{10} - 3 x^{9} - 2 x^{8} + 24 x^{7} - 21 x^{6} + 72 x^{5} - 18 x^{4} + \cdots + 729 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - 2 \nu^{11} - 65 \nu^{10} + 52 \nu^{9} - 122 \nu^{8} - 191 \nu^{7} - 131 \nu^{6} - 261 \nu^{5} + \cdots - 5589 ) / 3807 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( - \nu^{11} + 3 \nu^{10} - 7 \nu^{9} + 3 \nu^{8} + 2 \nu^{7} - 24 \nu^{6} + 21 \nu^{5} - 72 \nu^{4} + \cdots + 729 ) / 243 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 52 \nu^{11} + 1032 \nu^{10} - 1634 \nu^{9} + 1950 \nu^{8} + 5107 \nu^{7} - 777 \nu^{6} + \cdots + 248103 ) / 11421 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 83 \nu^{11} + 804 \nu^{10} - 1085 \nu^{9} + 624 \nu^{8} + 2578 \nu^{7} - 2076 \nu^{6} + \cdots + 127818 ) / 11421 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 91 \nu^{11} + 537 \nu^{10} - 956 \nu^{9} + 1509 \nu^{8} + 2275 \nu^{7} - 408 \nu^{6} + 4191 \nu^{5} + \cdots + 145800 ) / 11421 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 44 \nu^{11} - 67 \nu^{10} + 157 \nu^{9} - 334 \nu^{8} - 536 \nu^{7} - 109 \nu^{6} - 807 \nu^{5} + \cdots - 27783 ) / 3807 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 51 \nu^{11} - 199 \nu^{10} + 225 \nu^{9} + 56 \nu^{8} - 558 \nu^{7} + 497 \nu^{6} - 1311 \nu^{5} + \cdots - 19278 ) / 3807 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 4 \nu^{11} + 9 \nu^{10} - 19 \nu^{9} - 9 \nu^{8} + 17 \nu^{7} - 90 \nu^{6} + 12 \nu^{5} + \cdots + 1215 ) / 243 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 71 \nu^{11} + 536 \nu^{10} - 833 \nu^{9} + 557 \nu^{8} + 2173 \nu^{7} - 1243 \nu^{6} + \cdots + 115668 ) / 3807 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 542 \nu^{11} - 480 \nu^{10} + 572 \nu^{9} + 3264 \nu^{8} + 1283 \nu^{7} + 6126 \nu^{6} + \cdots + 86994 ) / 11421 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 256 \nu^{11} + 657 \nu^{10} - 958 \nu^{9} - 576 \nu^{8} + 1355 \nu^{7} - 2574 \nu^{6} + \cdots + 76464 ) / 3807 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{6} - \beta_{5} + \beta_{2} - \beta _1 + 1 ) / 3 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{11} + 2 \beta_{10} - \beta_{9} + 2 \beta_{8} - \beta_{7} - \beta_{6} - \beta_{5} + \beta_{4} + \cdots + 2 ) / 3 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 3\beta_{9} - 4\beta_{6} + 2\beta_{5} - 6\beta_{3} - 5\beta_{2} - \beta _1 - 2 ) / 3 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( \beta_{11} - \beta_{10} + 2 \beta_{9} - \beta_{8} + 14 \beta_{7} + 2 \beta_{6} - \beta_{5} + 7 \beta_{4} + \cdots - 7 ) / 3 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -6\beta_{9} - 9\beta_{8} + 11\beta_{6} - 4\beta_{5} + 9\beta_{4} + 12\beta_{3} + 19\beta_{2} + 23\beta _1 - 26 ) / 3 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 7 \beta_{11} - \beta_{10} - 10 \beta_{9} - 10 \beta_{8} + 5 \beta_{7} + 8 \beta_{6} + 2 \beta_{5} + \cdots - 4 ) / 3 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( - 18 \beta_{11} - 18 \beta_{10} + 12 \beta_{9} - 27 \beta_{7} + 2 \beta_{6} - 16 \beta_{5} - 45 \beta_{4} + \cdots - 17 ) / 3 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( - 8 \beta_{11} + 29 \beta_{10} + 8 \beta_{9} + 38 \beta_{8} - 73 \beta_{7} + 35 \beta_{6} + 17 \beta_{5} + \cdots - 61 ) / 3 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( - 54 \beta_{11} + 9 \beta_{10} + 66 \beta_{9} + 27 \beta_{8} - 198 \beta_{7} + 5 \beta_{6} + 65 \beta_{5} + \cdots + 331 ) / 3 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( - 26 \beta_{11} - 55 \beta_{10} + 29 \beta_{9} - 55 \beta_{8} + 41 \beta_{7} - 79 \beta_{6} + \cdots + 317 ) / 3 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 81 \beta_{11} + 81 \beta_{10} - 384 \beta_{9} + 45 \beta_{8} + 27 \beta_{7} - 97 \beta_{6} - 139 \beta_{5} + \cdots + 460 ) / 3 \) Copy content Toggle raw display

Character values

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

\(n\) \(757\) \(1081\) \(1541\)
\(\chi(n)\) \(1\) \(-1 + \beta_{7}\) \(-\beta_{7}\)

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
−1.67391 + 0.444996i
0.702501 1.58319i
1.22323 + 1.22626i
−0.778860 1.54705i
1.39898 1.02120i
0.628063 + 1.61417i
−1.67391 0.444996i
0.702501 + 1.58319i
1.22323 1.22626i
−0.778860 + 1.54705i
1.39898 + 1.02120i
0.628063 1.61417i
0.500000 0.866025i 0 −0.500000 0.866025i −1.00000 0 −2.56238 + 0.658939i −1.00000 0 −0.500000 + 0.866025i
361.2 0.500000 0.866025i 0 −0.500000 0.866025i −1.00000 0 −2.56238 + 0.658939i −1.00000 0 −0.500000 + 0.866025i
361.3 0.500000 0.866025i 0 −0.500000 0.866025i −1.00000 0 1.23855 + 2.33795i −1.00000 0 −0.500000 + 0.866025i
361.4 0.500000 0.866025i 0 −0.500000 0.866025i −1.00000 0 1.23855 + 2.33795i −1.00000 0 −0.500000 + 0.866025i
361.5 0.500000 0.866025i 0 −0.500000 0.866025i −1.00000 0 2.32383 1.26483i −1.00000 0 −0.500000 + 0.866025i
361.6 0.500000 0.866025i 0 −0.500000 0.866025i −1.00000 0 2.32383 1.26483i −1.00000 0 −0.500000 + 0.866025i
1801.1 0.500000 + 0.866025i 0 −0.500000 + 0.866025i −1.00000 0 −2.56238 0.658939i −1.00000 0 −0.500000 0.866025i
1801.2 0.500000 + 0.866025i 0 −0.500000 + 0.866025i −1.00000 0 −2.56238 0.658939i −1.00000 0 −0.500000 0.866025i
1801.3 0.500000 + 0.866025i 0 −0.500000 + 0.866025i −1.00000 0 1.23855 2.33795i −1.00000 0 −0.500000 0.866025i
1801.4 0.500000 + 0.866025i 0 −0.500000 + 0.866025i −1.00000 0 1.23855 2.33795i −1.00000 0 −0.500000 0.866025i
1801.5 0.500000 + 0.866025i 0 −0.500000 + 0.866025i −1.00000 0 2.32383 + 1.26483i −1.00000 0 −0.500000 0.866025i
1801.6 0.500000 + 0.866025i 0 −0.500000 + 0.866025i −1.00000 0 2.32383 + 1.26483i −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.g 12
3.b odd 2 1 630.2.l.g yes 12
7.c even 3 1 1890.2.i.g 12
9.c even 3 1 1890.2.i.g 12
9.d odd 6 1 630.2.i.g 12
21.h odd 6 1 630.2.i.g 12
63.g even 3 1 inner 1890.2.l.g 12
63.n odd 6 1 630.2.l.g yes 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
630.2.i.g 12 9.d odd 6 1
630.2.i.g 12 21.h odd 6 1
630.2.l.g yes 12 3.b odd 2 1
630.2.l.g yes 12 63.n odd 6 1
1890.2.i.g 12 7.c even 3 1
1890.2.i.g 12 9.c even 3 1
1890.2.l.g 12 1.a even 1 1 trivial
1890.2.l.g 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 \(S_{2}^{\mathrm{new}}(1890, [\chi])\):

\( T_{11}^{6} - 3T_{11}^{5} - 44T_{11}^{4} + 36T_{11}^{3} + 550T_{11}^{2} + 750T_{11} + 279 \) Copy content Toggle raw display
\( T_{13}^{12} + 2 T_{13}^{11} + 38 T_{13}^{10} + 24 T_{13}^{9} + 1108 T_{13}^{8} + 1129 T_{13}^{7} + \cdots + 15625 \) 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
$7$ \( (T^{6} - 2 T^{5} + \cdots + 343)^{2} \) Copy content Toggle raw display
$11$ \( (T^{6} - 3 T^{5} + \cdots + 279)^{2} \) Copy content Toggle raw display
$13$ \( T^{12} + 2 T^{11} + \cdots + 15625 \) Copy content Toggle raw display
$17$ \( T^{12} + T^{11} + \cdots + 9801 \) Copy content Toggle raw display
$19$ \( T^{12} - 8 T^{11} + \cdots + 5929 \) Copy content Toggle raw display
$23$ \( (T^{6} - 11 T^{5} + \cdots + 5949)^{2} \) Copy content Toggle raw display
$29$ \( T^{12} + 13 T^{11} + \cdots + 729 \) Copy content Toggle raw display
$31$ \( T^{12} + \cdots + 1198336689 \) Copy content Toggle raw display
$37$ \( T^{12} + \cdots + 313396209 \) Copy content Toggle raw display
$41$ \( T^{12} + 5 T^{11} + \cdots + 531441 \) Copy content Toggle raw display
$43$ \( T^{12} + \cdots + 3018293721 \) Copy content Toggle raw display
$47$ \( T^{12} + \cdots + 3525153129 \) Copy content Toggle raw display
$53$ \( T^{12} + 2 T^{11} + \cdots + 88209 \) Copy content Toggle raw display
$59$ \( T^{12} + \cdots + 422179209 \) Copy content Toggle raw display
$61$ \( T^{12} + \cdots + 9181664041 \) Copy content Toggle raw display
$67$ \( T^{12} + \cdots + 7010210529 \) Copy content Toggle raw display
$71$ \( (T^{6} - 15 T^{5} + \cdots + 4887)^{2} \) Copy content Toggle raw display
$73$ \( T^{12} - 22 T^{11} + \cdots + 30614089 \) Copy content Toggle raw display
$79$ \( T^{12} - 27 T^{11} + \cdots + 3932289 \) Copy content Toggle raw display
$83$ \( T^{12} + \cdots + 265070961 \) Copy content Toggle raw display
$89$ \( T^{12} + \cdots + 18815334561 \) Copy content Toggle raw display
$97$ \( T^{12} + \cdots + 1888367924041 \) Copy content Toggle raw display
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