Properties

Label 735.3.h.a
Level $735$
Weight $3$
Character orbit 735.h
Analytic conductor $20.027$
Analytic rank $0$
Dimension $8$
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] = [735,3,Mod(391,735)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(735, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 1]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("735.391");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 735 = 3 \cdot 5 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 735.h (of order \(2\), degree \(1\), 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: \(20.0272994305\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: 8.0.523596960000.16
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - 2x^{7} + 13x^{6} - 2x^{5} + 91x^{4} - 50x^{3} + 190x^{2} + 100x + 100 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 2^{4} \)
Twist minimal: no (minimal twist has level 105)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{7}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{3} q^{2} - \beta_{5} q^{3} + (\beta_{3} - \beta_1 + 1) q^{4} - \beta_{6} q^{5} + (\beta_{5} - \beta_{2}) q^{6} + (\beta_{7} - \beta_{3} + 2 \beta_1 - 3) q^{8} - 3 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{3} q^{2} - \beta_{5} q^{3} + (\beta_{3} - \beta_1 + 1) q^{4} - \beta_{6} q^{5} + (\beta_{5} - \beta_{2}) q^{6} + (\beta_{7} - \beta_{3} + 2 \beta_1 - 3) q^{8} - 3 q^{9} + (\beta_{6} - \beta_{4} + \beta_{2}) q^{10} + ( - \beta_{7} + \beta_{3} - \beta_1 - 6) q^{11} + (3 \beta_{6} - 2 \beta_{5} + \beta_{2}) q^{12} + (\beta_{6} + 4 \beta_{4} - 2 \beta_{2}) q^{13} - \beta_1 q^{15} + ( - 2 \beta_{7} + 5 \beta_{3} + \cdots - 3) q^{16}+ \cdots + (3 \beta_{7} - 3 \beta_{3} + 3 \beta_1 + 18) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q - 4 q^{2} + 12 q^{4} - 32 q^{8} - 24 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 8 q - 4 q^{2} + 12 q^{4} - 32 q^{8} - 24 q^{9} - 40 q^{11} + 4 q^{16} + 12 q^{18} - 16 q^{22} - 124 q^{23} - 40 q^{25} - 100 q^{29} - 72 q^{32} - 36 q^{36} + 160 q^{37} + 24 q^{39} + 352 q^{43} + 36 q^{44} + 164 q^{46} + 20 q^{50} - 36 q^{51} + 152 q^{53} + 80 q^{58} + 120 q^{60} - 4 q^{64} + 120 q^{65} - 368 q^{67} + 164 q^{71} + 96 q^{72} + 280 q^{74} - 240 q^{78} + 412 q^{79} + 72 q^{81} - 60 q^{85} - 356 q^{86} - 248 q^{88} - 288 q^{92} - 252 q^{93} + 240 q^{95} + 120 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} - 2x^{7} + 13x^{6} - 2x^{5} + 91x^{4} - 50x^{3} + 190x^{2} + 100x + 100 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 9\nu^{7} - 38\nu^{6} + 87\nu^{5} + 132\nu^{4} - 161\nu^{3} + 480\nu^{2} + 300\nu + 12250 ) / 3090 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 87\nu^{7} - 24\nu^{6} + 841\nu^{5} + 1276\nu^{4} + 10117\nu^{3} + 4640\nu^{2} + 46160\nu + 13700 ) / 21630 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 87\nu^{7} - 24\nu^{6} + 841\nu^{5} + 1276\nu^{4} + 10117\nu^{3} + 4640\nu^{2} + 2900\nu + 35330 ) / 21630 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 283\nu^{7} - 451\nu^{6} + 5139\nu^{5} - 656\nu^{4} + 40658\nu^{3} + 12690\nu^{2} + 158440\nu + 44150 ) / 32445 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -137\nu^{7} + 361\nu^{6} - 1805\nu^{5} + 1115\nu^{4} - 11191\nu^{3} + 16967\nu^{2} - 21390\nu + 15 ) / 10815 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -11\nu^{7} + 32\nu^{6} - 153\nu^{5} + 142\nu^{4} - 901\nu^{3} + 1350\nu^{2} - 1580\nu + 50 ) / 630 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 423\nu^{7} - 241\nu^{6} + 4089\nu^{5} + 6204\nu^{4} + 34148\nu^{3} + 22560\nu^{2} + 14100\nu + 61265 ) / 10815 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{3} + \beta_{2} + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -3\beta_{6} + 5\beta_{5} + \beta_{3} + \beta_{2} + \beta _1 - 6 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( -\beta_{7} + 9\beta_{3} + \beta _1 - 13 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -2\beta_{7} + 33\beta_{6} - 45\beta_{5} + 6\beta_{4} + 17\beta_{3} - 17\beta_{2} + 11\beta _1 - 60 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 13\beta_{7} + 63\beta_{6} - 85\beta_{5} + 39\beta_{4} - 95\beta_{3} - 95\beta_{2} - 21\beta _1 + 167 ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( 34\beta_{7} - 243\beta_{3} - 121\beta _1 + 684 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 155\beta_{7} - 933\beta_{6} + 1215\beta_{5} - 465\beta_{4} - 1081\beta_{3} + 1081\beta_{2} - 311\beta _1 + 2141 ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/735\mathbb{Z}\right)^\times\).

\(n\) \(346\) \(442\) \(491\)
\(\chi(n)\) \(-1\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
391.1
−1.26021 2.18275i
−1.26021 + 2.18275i
−0.336732 0.583237i
−0.336732 + 0.583237i
0.836732 + 1.44926i
0.836732 1.44926i
1.76021 + 3.04878i
1.76021 3.04878i
−3.52043 1.73205i 8.39341 2.23607i 6.09756i 0 −15.4667 −3.00000 7.87192i
391.2 −3.52043 1.73205i 8.39341 2.23607i 6.09756i 0 −15.4667 −3.00000 7.87192i
391.3 −1.67346 1.73205i −1.19952 2.23607i 2.89852i 0 8.70121 −3.00000 3.74198i
391.4 −1.67346 1.73205i −1.19952 2.23607i 2.89852i 0 8.70121 −3.00000 3.74198i
391.5 0.673464 1.73205i −3.54645 2.23607i 1.16647i 0 −5.08226 −3.00000 1.50591i
391.6 0.673464 1.73205i −3.54645 2.23607i 1.16647i 0 −5.08226 −3.00000 1.50591i
391.7 2.52043 1.73205i 2.35256 2.23607i 4.36551i 0 −4.15226 −3.00000 5.63585i
391.8 2.52043 1.73205i 2.35256 2.23607i 4.36551i 0 −4.15226 −3.00000 5.63585i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 391.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.b odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 735.3.h.a 8
7.b odd 2 1 inner 735.3.h.a 8
7.c even 3 1 105.3.n.a 8
7.d odd 6 1 105.3.n.a 8
21.g even 6 1 315.3.w.a 8
21.h odd 6 1 315.3.w.a 8
35.i odd 6 1 525.3.o.l 8
35.j even 6 1 525.3.o.l 8
35.k even 12 2 525.3.s.h 16
35.l odd 12 2 525.3.s.h 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
105.3.n.a 8 7.c even 3 1
105.3.n.a 8 7.d odd 6 1
315.3.w.a 8 21.g even 6 1
315.3.w.a 8 21.h odd 6 1
525.3.o.l 8 35.i odd 6 1
525.3.o.l 8 35.j even 6 1
525.3.s.h 16 35.k even 12 2
525.3.s.h 16 35.l odd 12 2
735.3.h.a 8 1.a even 1 1 trivial
735.3.h.a 8 7.b odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{4} + 2T_{2}^{3} - 9T_{2}^{2} - 10T_{2} + 10 \) acting on \(S_{3}^{\mathrm{new}}(735, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{4} + 2 T^{3} - 9 T^{2} + \cdots + 10)^{2} \) Copy content Toggle raw display
$3$ \( (T^{2} + 3)^{4} \) Copy content Toggle raw display
$5$ \( (T^{2} + 5)^{4} \) Copy content Toggle raw display
$7$ \( T^{8} \) Copy content Toggle raw display
$11$ \( (T^{4} + 20 T^{3} + \cdots - 14)^{2} \) Copy content Toggle raw display
$13$ \( T^{8} + \cdots + 1230957225 \) Copy content Toggle raw display
$17$ \( T^{8} + 1104 T^{6} + \cdots + 138297600 \) Copy content Toggle raw display
$19$ \( T^{8} + 1692 T^{6} + \cdots + 9054081 \) Copy content Toggle raw display
$23$ \( (T^{4} + 62 T^{3} + \cdots + 84490)^{2} \) Copy content Toggle raw display
$29$ \( (T^{4} + 50 T^{3} + \cdots - 1825400)^{2} \) Copy content Toggle raw display
$31$ \( T^{8} + \cdots + 385089749136 \) Copy content Toggle raw display
$37$ \( (T^{4} - 80 T^{3} + \cdots - 2365775)^{2} \) Copy content Toggle raw display
$41$ \( T^{8} + \cdots + 13887679716 \) Copy content Toggle raw display
$43$ \( (T^{4} - 176 T^{3} + \cdots + 762376)^{2} \) Copy content Toggle raw display
$47$ \( T^{8} + 954 T^{6} + \cdots + 26010000 \) Copy content Toggle raw display
$53$ \( (T^{4} - 76 T^{3} + \cdots - 313400)^{2} \) Copy content Toggle raw display
$59$ \( T^{8} + \cdots + 2582886122496 \) Copy content Toggle raw display
$61$ \( T^{8} + \cdots + 84471609600 \) Copy content Toggle raw display
$67$ \( (T^{4} + 184 T^{3} + \cdots + 522760)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} - 82 T^{3} + \cdots + 22760224)^{2} \) Copy content Toggle raw display
$73$ \( T^{8} + \cdots + 16\!\cdots\!36 \) Copy content Toggle raw display
$79$ \( (T^{4} - 206 T^{3} + \cdots + 2108740)^{2} \) Copy content Toggle raw display
$83$ \( T^{8} + \cdots + 111959592561216 \) Copy content Toggle raw display
$89$ \( T^{8} + \cdots + 580473805464576 \) Copy content Toggle raw display
$97$ \( T^{8} + \cdots + 2211287961600 \) Copy content Toggle raw display
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