Properties

Label 945.2.i.e
Level $945$
Weight $2$
Character orbit 945.i
Analytic conductor $7.546$
Analytic rank $0$
Dimension $12$
CM no
Inner twists $2$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [945,2,Mod(316,945)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(945, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([4, 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("945.316");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 945 = 3^{3} \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 945.i (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: \(7.54586299101\)
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: \( x^{12} - x^{11} + 2 x^{10} - x^{9} - 4 x^{8} + 20 x^{7} - 38 x^{6} + 60 x^{5} - 36 x^{4} - 27 x^{3} + \cdots + 729 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{4}]\)
Coefficient ring index: \( 3^{3} \)
Twist minimal: no (minimal twist has level 315)
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.

\(f(q)\) \(=\) \( q + ( - \beta_{5} + \beta_{4} - \beta_1 + 1) q^{2} + ( - \beta_{9} + 2 \beta_{5} - \beta_{2} - 2) q^{4} + (\beta_{5} - 1) q^{5} - \beta_{5} q^{7} + ( - 2 \beta_{4} - \beta_{3} - 1) q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_{5} + \beta_{4} - \beta_1 + 1) q^{2} + ( - \beta_{9} + 2 \beta_{5} - \beta_{2} - 2) q^{4} + (\beta_{5} - 1) q^{5} - \beta_{5} q^{7} + ( - 2 \beta_{4} - \beta_{3} - 1) q^{8} - \beta_{4} q^{10} + ( - \beta_{11} - \beta_{6} - \beta_{5} + \cdots - 1) q^{11}+ \cdots - \beta_{4} q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q - 3 q^{2} - 11 q^{4} - 6 q^{5} - 6 q^{7} - 6 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( 12 q - 3 q^{2} - 11 q^{4} - 6 q^{5} - 6 q^{7} - 6 q^{8} + 6 q^{10} - 7 q^{11} - 10 q^{13} - 3 q^{14} - 13 q^{16} - 14 q^{17} + 30 q^{19} - 11 q^{20} + 7 q^{22} - 14 q^{23} - 6 q^{25} + 26 q^{26} + 22 q^{28} + 13 q^{29} - 10 q^{31} + 18 q^{32} - 15 q^{34} + 12 q^{35} + 42 q^{37} + 4 q^{38} + 3 q^{40} + 4 q^{41} - 13 q^{43} + 78 q^{44} - 30 q^{46} - 8 q^{47} - 6 q^{49} - 3 q^{50} - 31 q^{52} - 20 q^{53} + 14 q^{55} + 3 q^{56} - 3 q^{58} - 21 q^{59} - 2 q^{61} - 50 q^{62} + 62 q^{64} - 10 q^{65} - 6 q^{67} + 33 q^{68} - 3 q^{70} + 58 q^{71} + 16 q^{73} + 5 q^{74} - 31 q^{76} - 7 q^{77} + 22 q^{79} + 26 q^{80} + 36 q^{82} - 5 q^{83} + 7 q^{85} - 23 q^{86} + 19 q^{88} - 2 q^{89} + 20 q^{91} - 9 q^{92} - 31 q^{94} - 15 q^{95} - 32 q^{97} + 6 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{12} - x^{11} + 2 x^{10} - x^{9} - 4 x^{8} + 20 x^{7} - 38 x^{6} + 60 x^{5} - 36 x^{4} - 27 x^{3} + \cdots + 729 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - \nu^{11} + 40 \nu^{10} + 274 \nu^{9} - 209 \nu^{8} + 487 \nu^{7} - 1085 \nu^{6} + 341 \nu^{5} + \cdots + 17253 ) / 17496 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{10} - 3 \nu^{9} + 7 \nu^{8} - 8 \nu^{7} + 13 \nu^{6} - 2 \nu^{5} - 27 \nu^{4} + 88 \nu^{3} + \cdots - 243 ) / 108 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{11} - 121 \nu^{10} + 131 \nu^{9} - 34 \nu^{8} - \nu^{7} + 842 \nu^{6} - 2771 \nu^{5} + \cdots - 10692 ) / 8748 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 13 \nu^{11} + 25 \nu^{10} + 61 \nu^{9} + 46 \nu^{8} + 49 \nu^{7} - 110 \nu^{6} + 311 \nu^{5} + \cdots - 3888 ) / 8748 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 5 \nu^{11} - 17 \nu^{10} + 49 \nu^{9} - 110 \nu^{8} + 181 \nu^{7} - 68 \nu^{6} - 79 \nu^{5} + \cdots + 4374 ) / 2916 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( \nu^{11} + \nu^{10} - 3 \nu^{9} + 6 \nu^{8} + 15 \nu^{7} - 12 \nu^{6} - 13 \nu^{5} - 22 \nu^{4} + \cdots + 162 ) / 486 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - \nu^{11} + \nu^{10} - 2 \nu^{9} + \nu^{8} + 4 \nu^{7} - 20 \nu^{6} + 38 \nu^{5} - 60 \nu^{4} + \cdots + 243 ) / 243 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 37 \nu^{11} - 49 \nu^{10} + 95 \nu^{9} + 146 \nu^{8} - 253 \nu^{7} + 1130 \nu^{6} - 1979 \nu^{5} + \cdots - 10692 ) / 8748 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 3 \nu^{11} - 10 \nu^{10} + 28 \nu^{9} - 59 \nu^{8} + 79 \nu^{7} - 89 \nu^{6} - 71 \nu^{5} + \cdots + 1863 ) / 486 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 115 \nu^{11} - 640 \nu^{10} + 1358 \nu^{9} - 1957 \nu^{8} + 2999 \nu^{7} - 1765 \nu^{6} + \cdots + 42525 ) / 17496 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 161 \nu^{11} - 284 \nu^{10} + 598 \nu^{9} - 1019 \nu^{8} + 1621 \nu^{7} - 923 \nu^{6} + 827 \nu^{5} + \cdots + 74115 ) / 17496 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{9} + \beta_{7} - \beta_{6} + 2\beta_{2} ) / 3 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{11} - \beta_{10} - \beta_{8} - \beta_{4} + 2\beta_{3} + 2\beta _1 - 3 ) / 3 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -2\beta_{9} + 3\beta_{8} + 4\beta_{7} - \beta_{6} + 3\beta_{5} - 9\beta_{4} - \beta_{2} + 6\beta _1 - 9 ) / 3 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( - 2 \beta_{11} + 5 \beta_{10} - 3 \beta_{9} - 4 \beta_{8} - 3 \beta_{7} - 3 \beta_{6} + 3 \beta_{5} + \cdots + 3 ) / 3 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 6 \beta_{11} + 3 \beta_{10} - 8 \beta_{9} + 4 \beta_{7} - 7 \beta_{6} + 6 \beta_{5} + 3 \beta_{4} + \cdots - 18 ) / 3 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 4 \beta_{11} - 7 \beta_{10} - 18 \beta_{9} + 2 \beta_{8} - 9 \beta_{7} - 3 \beta_{6} + 51 \beta_{5} + \cdots - 9 ) / 3 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( - 9 \beta_{11} + 9 \beta_{10} - 14 \beta_{9} + 18 \beta_{8} + 40 \beta_{7} + 23 \beta_{6} + 81 \beta_{5} + \cdots - 54 ) / 3 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 19 \beta_{11} + 35 \beta_{10} - 36 \beta_{9} - 19 \beta_{8} + 54 \beta_{6} - 63 \beta_{5} + 71 \beta_{4} + \cdots + 78 ) / 3 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 18 \beta_{11} + 9 \beta_{10} - 38 \beta_{9} + 66 \beta_{8} + 13 \beta_{7} - 37 \beta_{6} - 15 \beta_{5} + \cdots - 36 ) / 3 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( - 92 \beta_{11} - 67 \beta_{10} + 60 \beta_{9} - 76 \beta_{8} - 228 \beta_{7} + 6 \beta_{6} + \cdots + 138 ) / 3 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 150 \beta_{11} - 87 \beta_{10} + 289 \beta_{9} + 126 \beta_{8} - 86 \beta_{7} + 83 \beta_{6} + \cdots - 288 ) / 3 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/945\mathbb{Z}\right)^\times\).

\(n\) \(136\) \(596\) \(757\)
\(\chi(n)\) \(1\) \(-1 + \beta_{5}\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
316.1
−0.382799 + 1.68922i
1.65373 0.514941i
−1.73190 0.0231100i
−0.764584 1.55416i
0.478182 1.66473i
1.24736 + 1.20170i
−0.382799 1.68922i
1.65373 + 0.514941i
−1.73190 + 0.0231100i
−0.764584 + 1.55416i
0.478182 + 1.66473i
1.24736 1.20170i
−1.27897 + 2.21523i 0 −2.27151 3.93437i −0.500000 0.866025i 0 −0.500000 + 0.866025i 6.50486 0 2.55793
316.2 −1.09108 + 1.88981i 0 −1.38091 2.39181i −0.500000 0.866025i 0 −0.500000 + 0.866025i 1.66244 0 2.18216
316.3 −0.746337 + 1.29269i 0 −0.114038 0.197519i −0.500000 0.866025i 0 −0.500000 + 0.866025i −2.64491 0 1.49267
316.4 −0.368623 + 0.638475i 0 0.728233 + 1.26134i −0.500000 0.866025i 0 −0.500000 + 0.866025i −2.54827 0 0.737247
316.5 0.631422 1.09366i 0 0.202612 + 0.350934i −0.500000 0.866025i 0 −0.500000 + 0.866025i 3.03742 0 −1.26284
316.6 1.35359 2.34448i 0 −2.66438 4.61485i −0.500000 0.866025i 0 −0.500000 + 0.866025i −9.01155 0 −2.70717
631.1 −1.27897 2.21523i 0 −2.27151 + 3.93437i −0.500000 + 0.866025i 0 −0.500000 0.866025i 6.50486 0 2.55793
631.2 −1.09108 1.88981i 0 −1.38091 + 2.39181i −0.500000 + 0.866025i 0 −0.500000 0.866025i 1.66244 0 2.18216
631.3 −0.746337 1.29269i 0 −0.114038 + 0.197519i −0.500000 + 0.866025i 0 −0.500000 0.866025i −2.64491 0 1.49267
631.4 −0.368623 0.638475i 0 0.728233 1.26134i −0.500000 + 0.866025i 0 −0.500000 0.866025i −2.54827 0 0.737247
631.5 0.631422 + 1.09366i 0 0.202612 0.350934i −0.500000 + 0.866025i 0 −0.500000 0.866025i 3.03742 0 −1.26284
631.6 1.35359 + 2.34448i 0 −2.66438 + 4.61485i −0.500000 + 0.866025i 0 −0.500000 0.866025i −9.01155 0 −2.70717
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 316.6
Significant digits:
Format:

Inner twists

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

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 945.2.i.e 12
3.b odd 2 1 315.2.i.e 12
9.c even 3 1 inner 945.2.i.e 12
9.c even 3 1 2835.2.a.v 6
9.d odd 6 1 315.2.i.e 12
9.d odd 6 1 2835.2.a.u 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
315.2.i.e 12 3.b odd 2 1
315.2.i.e 12 9.d odd 6 1
945.2.i.e 12 1.a even 1 1 trivial
945.2.i.e 12 9.c even 3 1 inner
2835.2.a.u 6 9.d odd 6 1
2835.2.a.v 6 9.c even 3 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{12} + 3 T_{2}^{11} + 16 T_{2}^{10} + 33 T_{2}^{9} + 135 T_{2}^{8} + 255 T_{2}^{7} + 628 T_{2}^{6} + \cdots + 441 \) acting on \(S_{2}^{\mathrm{new}}(945, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{12} + 3 T^{11} + \cdots + 441 \) Copy content Toggle raw display
$3$ \( T^{12} \) Copy content Toggle raw display
$5$ \( (T^{2} + T + 1)^{6} \) Copy content Toggle raw display
$7$ \( (T^{2} + T + 1)^{6} \) Copy content Toggle raw display
$11$ \( T^{12} + 7 T^{11} + \cdots + 99225 \) Copy content Toggle raw display
$13$ \( T^{12} + 10 T^{11} + \cdots + 677329 \) Copy content Toggle raw display
$17$ \( (T^{6} + 7 T^{5} + \cdots - 501)^{2} \) Copy content Toggle raw display
$19$ \( (T^{6} - 15 T^{5} + \cdots + 400)^{2} \) Copy content Toggle raw display
$23$ \( T^{12} + 14 T^{11} + \cdots + 46656 \) Copy content Toggle raw display
$29$ \( T^{12} - 13 T^{11} + \cdots + 3600 \) Copy content Toggle raw display
$31$ \( T^{12} + 10 T^{11} + \cdots + 19360000 \) Copy content Toggle raw display
$37$ \( (T^{6} - 21 T^{5} + \cdots + 42472)^{2} \) Copy content Toggle raw display
$41$ \( T^{12} - 4 T^{11} + \cdots + 4410000 \) Copy content Toggle raw display
$43$ \( T^{12} + 13 T^{11} + \cdots + 41938576 \) Copy content Toggle raw display
$47$ \( T^{12} + 8 T^{11} + \cdots + 86545809 \) Copy content Toggle raw display
$53$ \( (T^{6} + 10 T^{5} + \cdots - 21480)^{2} \) Copy content Toggle raw display
$59$ \( T^{12} + \cdots + 5625000000 \) Copy content Toggle raw display
$61$ \( T^{12} + 2 T^{11} + \cdots + 21086464 \) Copy content Toggle raw display
$67$ \( T^{12} + \cdots + 71742551104 \) Copy content Toggle raw display
$71$ \( (T^{6} - 29 T^{5} + \cdots + 6219)^{2} \) Copy content Toggle raw display
$73$ \( (T^{6} - 8 T^{5} + \cdots + 86137)^{2} \) Copy content Toggle raw display
$79$ \( T^{12} + \cdots + 18108815761 \) Copy content Toggle raw display
$83$ \( T^{12} + \cdots + 375003225 \) Copy content Toggle raw display
$89$ \( (T^{6} + T^{5} + \cdots - 36492)^{2} \) Copy content Toggle raw display
$97$ \( T^{12} + 32 T^{11} + \cdots + 95277121 \) Copy content Toggle raw display
show more
show less