Properties

Label 1340.2.i.d
Level $1340$
Weight $2$
Character orbit 1340.i
Analytic conductor $10.700$
Analytic rank $0$
Dimension $18$
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] = [1340,2,Mod(841,1340)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1340, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 0, 2]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1340.841");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1340 = 2^{2} \cdot 5 \cdot 67 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1340.i (of order \(3\), degree \(2\), 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: \(10.6999538709\)
Analytic rank: \(0\)
Dimension: \(18\)
Relative dimension: \(9\) over \(\Q(\zeta_{3})\)
Coefficient field: \(\mathbb{Q}[x]/(x^{18} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{18} - x^{17} + 20 x^{16} - 19 x^{15} + 270 x^{14} - 260 x^{13} + 1914 x^{12} - 1982 x^{11} + \cdots + 2304 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{2}\cdot 3 \)
Twist minimal: yes
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 \(1,\beta_1,\ldots,\beta_{17}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + (\beta_{5} - \beta_1) q^{3} + q^{5} - \beta_{10} q^{7} + ( - \beta_{2} + 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + (\beta_{5} - \beta_1) q^{3} + q^{5} - \beta_{10} q^{7} + ( - \beta_{2} + 1) q^{9} + ( - \beta_{7} - 1) q^{11} + (\beta_{13} + \beta_{12} + \beta_{5}) q^{13} + (\beta_{5} - \beta_1) q^{15} + ( - \beta_{11} - \beta_{6}) q^{17} + ( - \beta_{17} - \beta_{4}) q^{19} + (\beta_{14} - \beta_{11} - \beta_1) q^{21} + (\beta_{15} + \beta_{9} + \beta_{5}) q^{23} + q^{25} + (\beta_{16} - \beta_{13} - \beta_{10} + \cdots + 1) q^{27}+ \cdots + ( - \beta_{15} - \beta_{7} + \beta_{2} - 1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 18 q - 2 q^{3} + 18 q^{5} + 3 q^{7} + 24 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 18 q - 2 q^{3} + 18 q^{5} + 3 q^{7} + 24 q^{9} - 9 q^{11} + 3 q^{13} - 2 q^{15} + q^{19} + 3 q^{21} + 18 q^{25} + 10 q^{27} - 2 q^{29} - 6 q^{31} + q^{33} + 3 q^{35} + 18 q^{37} + 23 q^{39} - 6 q^{41} + 30 q^{43} + 24 q^{45} - 8 q^{47} - 32 q^{49} + 7 q^{51} - 12 q^{53} - 9 q^{55} + 10 q^{57} - 16 q^{59} + 6 q^{61} + 6 q^{63} + 3 q^{65} + 37 q^{67} + 19 q^{69} + 6 q^{71} + 10 q^{73} - 2 q^{75} + 3 q^{77} + 4 q^{79} + 26 q^{81} + 5 q^{83} + 6 q^{87} + 10 q^{89} + 44 q^{91} + 16 q^{93} + q^{95} + 14 q^{97} - 12 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{18} - x^{17} + 20 x^{16} - 19 x^{15} + 270 x^{14} - 260 x^{13} + 1914 x^{12} - 1982 x^{11} + \cdots + 2304 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( - 39\!\cdots\!15 \nu^{17} + \cdots + 54\!\cdots\!24 ) / 14\!\cdots\!31 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( - 62\!\cdots\!76 \nu^{17} + \cdots + 18\!\cdots\!84 ) / 11\!\cdots\!96 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 74\!\cdots\!41 \nu^{17} + \cdots + 32\!\cdots\!12 ) / 11\!\cdots\!96 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 18\!\cdots\!25 \nu^{17} + \cdots - 53\!\cdots\!40 ) / 22\!\cdots\!96 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 21\!\cdots\!07 \nu^{17} + \cdots - 56\!\cdots\!60 ) / 23\!\cdots\!92 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 23\!\cdots\!85 \nu^{17} + \cdots + 88\!\cdots\!64 ) / 22\!\cdots\!96 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 12\!\cdots\!85 \nu^{17} + \cdots + 18\!\cdots\!96 ) / 11\!\cdots\!96 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 25\!\cdots\!73 \nu^{17} + \cdots - 16\!\cdots\!24 ) / 23\!\cdots\!92 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 59\!\cdots\!21 \nu^{17} + \cdots - 52\!\cdots\!00 ) / 39\!\cdots\!32 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 20\!\cdots\!15 \nu^{17} + \cdots + 43\!\cdots\!84 ) / 11\!\cdots\!96 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( - 32\!\cdots\!63 \nu^{17} + \cdots - 36\!\cdots\!60 ) / 11\!\cdots\!96 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 54\!\cdots\!09 \nu^{17} + \cdots + 64\!\cdots\!20 ) / 18\!\cdots\!84 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 44\!\cdots\!83 \nu^{17} + \cdots + 23\!\cdots\!00 ) / 11\!\cdots\!96 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( - 23\!\cdots\!85 \nu^{17} + \cdots - 88\!\cdots\!64 ) / 57\!\cdots\!24 \) Copy content Toggle raw display
\(\beta_{16}\)\(=\) \( ( - 44\!\cdots\!97 \nu^{17} + \cdots + 51\!\cdots\!84 ) / 78\!\cdots\!64 \) Copy content Toggle raw display
\(\beta_{17}\)\(=\) \( ( 15\!\cdots\!35 \nu^{17} + \cdots - 40\!\cdots\!72 ) / 11\!\cdots\!96 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{15} + 4\beta_{7} \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{16} - \beta_{13} - \beta_{10} - \beta_{8} + 7\beta_{5} + \beta_{2} - 7\beta _1 + 1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -10\beta_{15} - 2\beta_{14} - 2\beta_{11} - 27\beta_{7} - \beta_{4} + 10\beta_{2} - \beta _1 - 27 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( - 2 \beta_{17} - 12 \beta_{16} - 13 \beta_{15} + 11 \beta_{13} + 11 \beta_{12} + 2 \beta_{11} + \cdots - 14 \beta_{3} \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( - 15 \beta_{17} - 3 \beta_{16} + 28 \beta_{14} - 2 \beta_{13} + 3 \beta_{10} + 28 \beta_{9} + \cdots + 228 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( 153 \beta_{15} + 19 \beta_{14} - 111 \beta_{12} - 32 \beta_{11} + 126 \beta_{10} + 159 \beta_{8} + \cdots - 2 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( 178 \beta_{17} + 64 \beta_{16} + 1026 \beta_{15} + 25 \beta_{13} + 25 \beta_{12} + 335 \beta_{11} + \cdots + 29 \beta_{3} \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( 343 \beta_{17} + 1290 \beta_{16} - 271 \beta_{14} - 1121 \beta_{13} - 1290 \beta_{10} - 271 \beta_{9} + \cdots - 525 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( - 10696 \beta_{15} - 3333 \beta_{14} - 175 \beta_{12} - 3597 \beta_{11} - 969 \beta_{10} - 545 \beta_{8} + \cdots - 21254 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( - 3878 \beta_{17} - 13220 \beta_{16} - 20038 \beta_{15} + 11402 \beta_{13} + 11402 \beta_{12} + \cdots - 17801 \beta_{3} \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( - 21286 \beta_{17} - 12858 \beta_{16} + 34899 \beta_{14} - 284 \beta_{13} + 12858 \beta_{10} + \cdots + 215464 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( 226100 \beta_{15} + 42614 \beta_{14} - 116547 \beta_{12} - 33637 \beta_{11} + 136378 \beta_{10} + \cdots + 150672 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( 227717 \beta_{17} + 159862 \beta_{16} + 1188977 \beta_{15} - 15810 \beta_{13} - 15810 \beta_{12} + \cdots + 118530 \beta_{3} \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( 483380 \beta_{17} + 1416135 \beta_{16} - 506109 \beta_{14} - 1195444 \beta_{13} - 1416135 \beta_{10} + \cdots - 1984069 \) Copy content Toggle raw display
\(\nu^{16}\)\(=\) \( - 12609539 \beta_{15} - 3821544 \beta_{14} + 369311 \beta_{12} - 3914371 \beta_{11} - 1915738 \beta_{10} + \cdots - 22880980 \) Copy content Toggle raw display
\(\nu^{17}\)\(=\) \( - 5375750 \beta_{17} - 14784050 \beta_{16} - 28264972 \beta_{15} + 12298576 \beta_{13} + \cdots - 19976143 \beta_{3} \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1340\mathbb{Z}\right)^\times\).

\(n\) \(537\) \(671\) \(1141\)
\(\chi(n)\) \(1\) \(1\) \(-1 - \beta_{7}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
841.1
1.64560 2.85027i
0.967235 1.67530i
0.875672 1.51671i
0.716763 1.24147i
0.222497 0.385375i
−0.242344 + 0.419751i
−0.938909 + 1.62624i
−1.19375 + 2.06764i
−1.55276 + 2.68946i
1.64560 + 2.85027i
0.967235 + 1.67530i
0.875672 + 1.51671i
0.716763 + 1.24147i
0.222497 + 0.385375i
−0.242344 0.419751i
−0.938909 1.62624i
−1.19375 2.06764i
−1.55276 2.68946i
0 −3.29120 0 1.00000 0 −0.519571 + 0.899923i 0 7.83201 0
841.2 0 −1.93447 0 1.00000 0 0.186507 0.323039i 0 0.742177 0
841.3 0 −1.75134 0 1.00000 0 2.48460 4.30346i 0 0.0672025 0
841.4 0 −1.43353 0 1.00000 0 −1.92448 + 3.33329i 0 −0.945003 0
841.5 0 −0.444993 0 1.00000 0 1.34485 2.32935i 0 −2.80198 0
841.6 0 0.484687 0 1.00000 0 −0.720789 + 1.24844i 0 −2.76508 0
841.7 0 1.87782 0 1.00000 0 −2.08487 + 3.61111i 0 0.526199 0
841.8 0 2.38751 0 1.00000 0 2.62323 4.54357i 0 2.70018 0
841.9 0 3.10553 0 1.00000 0 0.110519 0.191425i 0 6.64429 0
1101.1 0 −3.29120 0 1.00000 0 −0.519571 0.899923i 0 7.83201 0
1101.2 0 −1.93447 0 1.00000 0 0.186507 + 0.323039i 0 0.742177 0
1101.3 0 −1.75134 0 1.00000 0 2.48460 + 4.30346i 0 0.0672025 0
1101.4 0 −1.43353 0 1.00000 0 −1.92448 3.33329i 0 −0.945003 0
1101.5 0 −0.444993 0 1.00000 0 1.34485 + 2.32935i 0 −2.80198 0
1101.6 0 0.484687 0 1.00000 0 −0.720789 1.24844i 0 −2.76508 0
1101.7 0 1.87782 0 1.00000 0 −2.08487 3.61111i 0 0.526199 0
1101.8 0 2.38751 0 1.00000 0 2.62323 + 4.54357i 0 2.70018 0
1101.9 0 3.10553 0 1.00000 0 0.110519 + 0.191425i 0 6.64429 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 841.9
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
67.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1340.2.i.d 18
67.c even 3 1 inner 1340.2.i.d 18
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1340.2.i.d 18 1.a even 1 1 trivial
1340.2.i.d 18 67.c even 3 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{9} + T_{3}^{8} - 19T_{3}^{7} - 19T_{3}^{6} + 110T_{3}^{5} + 119T_{3}^{4} - 209T_{3}^{3} - 241T_{3}^{2} + 48T_{3} + 48 \) acting on \(S_{2}^{\mathrm{new}}(1340, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{18} \) Copy content Toggle raw display
$3$ \( (T^{9} + T^{8} - 19 T^{7} + \cdots + 48)^{2} \) Copy content Toggle raw display
$5$ \( (T - 1)^{18} \) Copy content Toggle raw display
$7$ \( T^{18} - 3 T^{17} + \cdots + 19321 \) Copy content Toggle raw display
$11$ \( (T^{2} + T + 1)^{9} \) Copy content Toggle raw display
$13$ \( T^{18} + \cdots + 629959801 \) Copy content Toggle raw display
$17$ \( T^{18} + \cdots + 124344801 \) Copy content Toggle raw display
$19$ \( T^{18} - T^{17} + \cdots + 17330569 \) Copy content Toggle raw display
$23$ \( T^{18} + \cdots + 20826241969 \) Copy content Toggle raw display
$29$ \( T^{18} + \cdots + 4149034569 \) Copy content Toggle raw display
$31$ \( T^{18} + \cdots + 39887678961 \) Copy content Toggle raw display
$37$ \( T^{18} + \cdots + 13790876950449 \) Copy content Toggle raw display
$41$ \( T^{18} + \cdots + 8157521761 \) Copy content Toggle raw display
$43$ \( (T^{9} - 15 T^{8} + \cdots + 1087728)^{2} \) Copy content Toggle raw display
$47$ \( T^{18} + 8 T^{17} + \cdots + 6305121 \) Copy content Toggle raw display
$53$ \( (T^{9} + 6 T^{8} + \cdots - 6441444)^{2} \) Copy content Toggle raw display
$59$ \( (T^{9} + 8 T^{8} + \cdots - 18465136)^{2} \) Copy content Toggle raw display
$61$ \( T^{18} + \cdots + 920154407398209 \) Copy content Toggle raw display
$67$ \( T^{18} + \cdots + 27\!\cdots\!47 \) Copy content Toggle raw display
$71$ \( T^{18} + \cdots + 3332074207609 \) Copy content Toggle raw display
$73$ \( T^{18} + \cdots + 8276778009721 \) Copy content Toggle raw display
$79$ \( T^{18} + \cdots + 232201002088449 \) Copy content Toggle raw display
$83$ \( T^{18} + \cdots + 2205732899241 \) Copy content Toggle raw display
$89$ \( (T^{9} - 5 T^{8} + \cdots - 1881036)^{2} \) Copy content Toggle raw display
$97$ \( T^{18} + \cdots + 78020458060561 \) Copy content Toggle raw display
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