Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [34,10,Mod(1,34)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("34.1"); S:= CuspForms(chi, 10); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(34, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0])) N = Newforms(chi, 10, names="a")
 
Level: \( N \) \(=\) \( 34 = 2 \cdot 17 \)
Weight: \( k \) \(=\) \( 10 \)
Character orbit: \([\chi]\) \(=\) 34.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [3,-48,84,768,1314] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(5)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(17.5112184296\)
Analytic rank: \(0\)
Dimension: \(3\)
Coefficient field: 3.3.3262740.1
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{3} - x^{2} - 421x + 3451 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 2^{4}\cdot 3 \)
Twist minimal: yes
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

Copy content comment:q-expansion
 
Copy content sage:f.q_expansion() # note that sage often uses an isomorphic number field
 
Copy content gp:mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\beta_2\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - 16 q^{2} + ( - \beta_{2} + 28) q^{3} + 256 q^{4} + ( - 4 \beta_{2} + 13 \beta_1 + 438) q^{5} + (16 \beta_{2} - 448) q^{6} + ( - 47 \beta_{2} + 19 \beta_1 + 2304) q^{7} - 4096 q^{8} + ( - 126 \beta_{2} - 135 \beta_1 + 9261) q^{9}+ \cdots + (1321317 \beta_{2} + 175698 \beta_1 - 150366780) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 3 q - 48 q^{2} + 84 q^{3} + 768 q^{4} + 1314 q^{5} - 1344 q^{6} + 6912 q^{7} - 12288 q^{8} + 27783 q^{9} - 21024 q^{10} - 71460 q^{11} + 21504 q^{12} - 248982 q^{13} - 110592 q^{14} + 231192 q^{15} + 196608 q^{16}+ \cdots - 451100340 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{3} - x^{2} - 421x + 3451 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( 4\nu^{2} + 48\nu - 1140 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( 6\nu^{2} + 60\nu - 1706 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -2\beta_{2} + 3\beta _1 + 8 ) / 24 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 4\beta_{2} - 5\beta _1 + 1124 ) / 4 \) Copy content Toggle raw display

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
−23.3541
12.8927
11.4614
−16.0000 −137.240 256.000 −1254.38 2195.83 −6969.72 −4096.00 −848.306 20070.0
1.2 −16.0000 −36.8994 256.000 2047.04 590.391 1984.81 −4096.00 −18321.4 −32752.7
1.3 −16.0000 258.139 256.000 521.334 −4130.22 11896.9 −4096.00 46952.7 −8341.35
\(n\): e.g. 2-40 or 80-90
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \( +1 \)
\(17\) \( -1 \)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 34.10.a.c ✓ 3
3.b odd 2 1 306.10.a.g 3
4.b odd 2 1 272.10.a.c 3
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
34.10.a.c ✓ 3 1.a even 1 1 trivial
272.10.a.c 3 4.b odd 2 1
306.10.a.g 3 3.b odd 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{3} - 84T_{3}^{2} - 39888T_{3} - 1307232 \) acting on \(S_{10}^{\mathrm{new}}(\Gamma_0(34))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T + 16)^{3} \) Copy content Toggle raw display
$3$ \( T^{3} - 84 T^{2} + \cdots - 1307232 \) Copy content Toggle raw display
$5$ \( T^{3} + \cdots + 1338661224 \) Copy content Toggle raw display
$7$ \( T^{3} + \cdots + 164576889568 \) Copy content Toggle raw display
$11$ \( T^{3} + \cdots - 1357228811808 \) Copy content Toggle raw display
$13$ \( T^{3} + \cdots - 804383490695096 \) Copy content Toggle raw display
$17$ \( (T - 83521)^{3} \) Copy content Toggle raw display
$19$ \( T^{3} + \cdots + 10\!\cdots\!12 \) Copy content Toggle raw display
$23$ \( T^{3} + \cdots - 12\!\cdots\!28 \) Copy content Toggle raw display
$29$ \( T^{3} + \cdots + 17\!\cdots\!64 \) Copy content Toggle raw display
$31$ \( T^{3} + \cdots - 23\!\cdots\!92 \) Copy content Toggle raw display
$37$ \( T^{3} + \cdots - 29\!\cdots\!44 \) Copy content Toggle raw display
$41$ \( T^{3} + \cdots + 41\!\cdots\!68 \) Copy content Toggle raw display
$43$ \( T^{3} + \cdots - 11\!\cdots\!16 \) Copy content Toggle raw display
$47$ \( T^{3} + \cdots + 36\!\cdots\!04 \) Copy content Toggle raw display
$53$ \( T^{3} + \cdots + 22\!\cdots\!40 \) Copy content Toggle raw display
$59$ \( T^{3} + \cdots + 99\!\cdots\!00 \) Copy content Toggle raw display
$61$ \( T^{3} + \cdots - 10\!\cdots\!20 \) Copy content Toggle raw display
$67$ \( T^{3} + \cdots - 90\!\cdots\!72 \) Copy content Toggle raw display
$71$ \( T^{3} + \cdots - 32\!\cdots\!44 \) Copy content Toggle raw display
$73$ \( T^{3} + \cdots + 37\!\cdots\!80 \) Copy content Toggle raw display
$79$ \( T^{3} + \cdots + 17\!\cdots\!60 \) Copy content Toggle raw display
$83$ \( T^{3} + \cdots + 17\!\cdots\!16 \) Copy content Toggle raw display
$89$ \( T^{3} + \cdots - 84\!\cdots\!36 \) Copy content Toggle raw display
$97$ \( T^{3} + \cdots + 26\!\cdots\!96 \) Copy content Toggle raw display
show more
show less