Properties

Label 121.8.a.f
Level $121$
Weight $8$
Character orbit 121.a
Self dual yes
Analytic conductor $37.799$
Analytic rank $0$
Dimension $6$
Inner twists $2$

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Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [121,8,Mod(1,121)] 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("121.1"); S:= CuspForms(chi, 8); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(121, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0])) N = Newforms(chi, 8, names="a")
 
Level: \( N \) \(=\) \( 121 = 11^{2} \)
Weight: \( k \) \(=\) \( 8 \)
Character orbit: \([\chi]\) \(=\) 121.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [6,0] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(2)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(37.7985880836\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: \(\mathbb{Q}[x]/(x^{6} - \cdots)\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - 742x^{4} + 146056x^{2} - 6022080 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
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 \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_1 q^{2} + (\beta_{3} - 3) q^{3} + (\beta_{4} + 2 \beta_{3} + 119) q^{4} + ( - \beta_{4} + 5 \beta_{3} + 38) q^{5} + (\beta_{2} + 17 \beta_1) q^{6} + ( - \beta_{5} - 35 \beta_1) q^{7} + (\beta_{5} + 2 \beta_{2} + 93 \beta_1) q^{8}+ \cdots + ( - 3752 \beta_{5} + \cdots + 329169 \beta_1) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 16 q^{3} + 716 q^{4} + 240 q^{5} + 3746 q^{9} + 27108 q^{12} - 51264 q^{14} + 88120 q^{15} + 45352 q^{16} + 81900 q^{20} - 55104 q^{23} + 108910 q^{25} + 56928 q^{26} + 73280 q^{27} - 254560 q^{31}+ \cdots + 10649568 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} - 742x^{4} + 146056x^{2} - 6022080 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{5} - 422\nu^{3} + 10200\nu ) / 408 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{4} - 422\nu^{2} + 18360 ) / 408 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -\nu^{4} + 626\nu^{2} - 68748 ) / 204 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -\nu^{5} + 626\nu^{3} - 81396\nu ) / 204 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{4} + 2\beta_{3} + 247 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{5} + 2\beta_{2} + 349\beta_1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 422\beta_{4} + 1252\beta_{3} + 85874 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( 422\beta_{5} + 1252\beta_{2} + 137078\beta_1 \) 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
−21.0469
−15.5920
−7.47800
7.47800
15.5920
21.0469
−21.0469 64.7680 314.971 316.405 −1363.16 703.693 −3935.14 2007.89 −6659.34
1.2 −15.5920 −64.5932 115.109 −389.261 1007.13 1439.06 200.996 1985.28 6069.34
1.3 −7.47800 −8.17483 −72.0796 192.856 61.1314 −1553.40 1496.19 −2120.17 −1442.17
1.4 7.47800 −8.17483 −72.0796 192.856 −61.1314 1553.40 −1496.19 −2120.17 1442.17
1.5 15.5920 −64.5932 115.109 −389.261 −1007.13 −1439.06 −200.996 1985.28 −6069.34
1.6 21.0469 64.7680 314.971 316.405 1363.16 −703.693 3935.14 2007.89 6659.34
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1.6
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(11\) \( +1 \)

Inner twists

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

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 121.8.a.f 6
11.b odd 2 1 inner 121.8.a.f 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
121.8.a.f 6 1.a even 1 1 trivial
121.8.a.f 6 11.b odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{6} - 742T_{2}^{4} + 146056T_{2}^{2} - 6022080 \) acting on \(S_{8}^{\mathrm{new}}(\Gamma_0(121))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} - 742 T^{4} + \cdots - 6022080 \) Copy content Toggle raw display
$3$ \( (T^{3} + 8 T^{2} + \cdots - 34200)^{2} \) Copy content Toggle raw display
$5$ \( (T^{3} - 120 T^{2} + \cdots + 23752950)^{2} \) Copy content Toggle raw display
$7$ \( T^{6} + \cdots - 24\!\cdots\!80 \) Copy content Toggle raw display
$11$ \( T^{6} \) Copy content Toggle raw display
$13$ \( T^{6} + \cdots - 65\!\cdots\!80 \) Copy content Toggle raw display
$17$ \( T^{6} + \cdots - 12\!\cdots\!00 \) Copy content Toggle raw display
$19$ \( T^{6} + \cdots - 31\!\cdots\!00 \) Copy content Toggle raw display
$23$ \( (T^{3} + \cdots - 27592496030700)^{2} \) Copy content Toggle raw display
$29$ \( T^{6} + \cdots - 43\!\cdots\!00 \) Copy content Toggle raw display
$31$ \( (T^{3} + \cdots - 19\!\cdots\!00)^{2} \) Copy content Toggle raw display
$37$ \( (T^{3} + \cdots - 58\!\cdots\!50)^{2} \) Copy content Toggle raw display
$41$ \( T^{6} + \cdots - 19\!\cdots\!00 \) Copy content Toggle raw display
$43$ \( T^{6} + \cdots - 52\!\cdots\!20 \) Copy content Toggle raw display
$47$ \( (T^{3} + \cdots + 24\!\cdots\!00)^{2} \) Copy content Toggle raw display
$53$ \( (T^{3} + \cdots - 25\!\cdots\!00)^{2} \) Copy content Toggle raw display
$59$ \( (T^{3} + \cdots - 34\!\cdots\!60)^{2} \) Copy content Toggle raw display
$61$ \( T^{6} + \cdots - 80\!\cdots\!00 \) Copy content Toggle raw display
$67$ \( (T^{3} + \cdots - 63\!\cdots\!00)^{2} \) Copy content Toggle raw display
$71$ \( (T^{3} + \cdots + 22\!\cdots\!32)^{2} \) Copy content Toggle raw display
$73$ \( T^{6} + \cdots - 44\!\cdots\!80 \) Copy content Toggle raw display
$79$ \( T^{6} + \cdots - 43\!\cdots\!00 \) Copy content Toggle raw display
$83$ \( T^{6} + \cdots - 66\!\cdots\!20 \) Copy content Toggle raw display
$89$ \( (T^{3} + \cdots - 23\!\cdots\!90)^{2} \) Copy content Toggle raw display
$97$ \( (T^{3} + \cdots + 85\!\cdots\!50)^{2} \) Copy content Toggle raw display
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