Properties

Label 80.11.h.b
Level $80$
Weight $11$
Character orbit 80.h
Analytic conductor $50.829$
Analytic rank $0$
Dimension $8$
Inner twists $4$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [80,11,Mod(79,80)] 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("80.79"); S:= CuspForms(chi, 11); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(80, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([1, 0, 1])) N = Newforms(chi, 11, names="a")
 
Level: \( N \) \(=\) \( 80 = 2^{4} \cdot 5 \)
Weight: \( k \) \(=\) \( 11 \)
Character orbit: \([\chi]\) \(=\) 80.h (of order \(2\), degree \(1\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [8] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(1)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(50.8285802139\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: \(\mathbb{Q}[x]/(x^{8} + \cdots)\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} + 56768x^{6} + 1213016836x^{4} + 11703079333440x^{2} + 43785989371040400 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{28}\cdot 3^{5}\cdot 5^{6} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

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

\(f(q)\) \(=\) \( q + \beta_1 q^{3} + ( - \beta_{2} - 285) q^{5} + ( - \beta_{6} - 8 \beta_1) q^{7} + ( - 9 \beta_{3} + 9 \beta_{2} - 23049) q^{9} - \beta_{4} q^{11} + ( - \beta_{7} + 9 \beta_{3} + 9 \beta_{2}) q^{13} + (3 \beta_{6} - \beta_{5} + \cdots - 2240 \beta_1) q^{15}+ \cdots + (11790 \beta_{5} + 44289 \beta_{4}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q - 2280 q^{5} - 184392 q^{9} - 2419200 q^{21} - 14303800 q^{25} + 61775184 q^{29} - 257494416 q^{41} - 510142680 q^{45} + 649017208 q^{49} - 588436816 q^{61} + 815462400 q^{65} - 6139699200 q^{69} - 2627561592 q^{81}+ \cdots - 11105352816 q^{89}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} + 56768x^{6} + 1213016836x^{4} + 11703079333440x^{2} + 43785989371040400 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - 1911539 \nu^{7} - 87432205687 \nu^{5} + \cdots - 76\!\cdots\!40 \nu ) / 20\!\cdots\!70 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 1911539 \nu^{7} - 1621695405 \nu^{6} + 87432205687 \nu^{5} - 72077350843080 \nu^{4} + \cdots - 50\!\cdots\!20 ) / 12\!\cdots\!42 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 1911539 \nu^{7} + 1621695405 \nu^{6} + 87432205687 \nu^{5} + 72077350843080 \nu^{4} + \cdots + 50\!\cdots\!20 ) / 12\!\cdots\!42 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 584527\nu^{6} + 22936547816\nu^{4} + 305499849432232\nu^{2} + 1443912927655983840 ) / 64857148631 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 743092\nu^{6} + 29984076656\nu^{4} + 414891369187552\nu^{2} + 2047556993001870240 ) / 64857148631 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 917594257 \nu^{7} - 36161123073161 \nu^{5} + \cdots - 23\!\cdots\!20 \nu ) / 12\!\cdots\!42 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 6507864086 \nu^{7} - 283464821978278 \nu^{5} + \cdots - 18\!\cdots\!20 \nu ) / 30\!\cdots\!55 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( 3\beta_{3} + 3\beta_{2} + 10\beta_1 ) / 120 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{5} - \beta_{4} - 93\beta_{3} + 93\beta_{2} - 1703040 ) / 120 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 135\beta_{7} - 132\beta_{6} - 43182\beta_{3} - 43182\beta_{2} - 344740\beta_1 ) / 120 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -45391\beta_{5} + 40276\beta_{4} + 5974944\beta_{3} - 5974944\beta_{2} + 47794329120 ) / 240 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -2075145\beta_{7} + 3303390\beta_{6} + 314341404\beta_{3} + 314341404\beta_{2} + 3114841550\beta_1 ) / 60 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 30659629\beta_{5} - 21187144\beta_{4} - 5718413974\beta_{3} + 5718413974\beta_{2} - 28671265447520 ) / 10 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 46124182155 \beta_{7} - 103387337454 \beta_{6} - 4756566738306 \beta_{3} - 4756566738306 \beta_{2} - 44281647022130 \beta_1 ) / 60 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/80\mathbb{Z}\right)^\times\).

\(n\) \(17\) \(21\) \(31\)
\(\chi(n)\) \(-1\) \(1\) \(-1\)

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
79.1
−22.2956 + 107.820i
−22.2956 107.820i
−1.70422 + 131.373i
−1.70422 131.373i
1.70422 + 131.373i
1.70422 131.373i
22.2956 + 107.820i
22.2956 107.820i
0 −267.548 0 −2261.77 2156.40i 0 199.320 0 12532.8 0
79.2 0 −267.548 0 −2261.77 + 2156.40i 0 199.320 0 12532.8 0
79.3 0 −20.4507 0 1691.77 2627.46i 0 26966.0 0 −58630.8 0
79.4 0 −20.4507 0 1691.77 + 2627.46i 0 26966.0 0 −58630.8 0
79.5 0 20.4507 0 1691.77 2627.46i 0 −26966.0 0 −58630.8 0
79.6 0 20.4507 0 1691.77 + 2627.46i 0 −26966.0 0 −58630.8 0
79.7 0 267.548 0 −2261.77 2156.40i 0 −199.320 0 12532.8 0
79.8 0 267.548 0 −2261.77 + 2156.40i 0 −199.320 0 12532.8 0
\(n\): e.g. 2-40 or 80-90
Embeddings: e.g. 1-3 or 79.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 inner
5.b even 2 1 inner
20.d odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 80.11.h.b 8
4.b odd 2 1 inner 80.11.h.b 8
5.b even 2 1 inner 80.11.h.b 8
20.d odd 2 1 inner 80.11.h.b 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
80.11.h.b 8 1.a even 1 1 trivial
80.11.h.b 8 4.b odd 2 1 inner
80.11.h.b 8 5.b even 2 1 inner
80.11.h.b 8 20.d odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{4} - 72000T_{3}^{2} + 29937600 \) acting on \(S_{11}^{\mathrm{new}}(80, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} \) Copy content Toggle raw display
$3$ \( (T^{4} - 72000 T^{2} + 29937600)^{2} \) Copy content Toggle raw display
$5$ \( (T^{4} + \cdots + 95367431640625)^{2} \) Copy content Toggle raw display
$7$ \( (T^{4} + \cdots + 28889148657600)^{2} \) Copy content Toggle raw display
$11$ \( (T^{4} + \cdots + 60\!\cdots\!00)^{2} \) Copy content Toggle raw display
$13$ \( (T^{4} + \cdots + 19\!\cdots\!00)^{2} \) Copy content Toggle raw display
$17$ \( (T^{4} + \cdots + 16\!\cdots\!00)^{2} \) Copy content Toggle raw display
$19$ \( (T^{4} + \cdots + 23\!\cdots\!00)^{2} \) Copy content Toggle raw display
$23$ \( (T^{4} + \cdots + 45\!\cdots\!00)^{2} \) Copy content Toggle raw display
$29$ \( (T^{2} + \cdots - 184987050931996)^{4} \) Copy content Toggle raw display
$31$ \( (T^{4} + \cdots + 30\!\cdots\!00)^{2} \) Copy content Toggle raw display
$37$ \( (T^{4} + \cdots + 24\!\cdots\!00)^{2} \) Copy content Toggle raw display
$41$ \( (T^{2} + \cdots + 862562166332804)^{4} \) Copy content Toggle raw display
$43$ \( (T^{4} + \cdots + 55\!\cdots\!00)^{2} \) Copy content Toggle raw display
$47$ \( (T^{4} + \cdots + 99\!\cdots\!00)^{2} \) Copy content Toggle raw display
$53$ \( (T^{4} + \cdots + 20\!\cdots\!00)^{2} \) Copy content Toggle raw display
$59$ \( (T^{4} + \cdots + 13\!\cdots\!00)^{2} \) Copy content Toggle raw display
$61$ \( (T^{2} + \cdots - 82\!\cdots\!96)^{4} \) Copy content Toggle raw display
$67$ \( (T^{4} + \cdots + 58\!\cdots\!00)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} + \cdots + 30\!\cdots\!00)^{2} \) Copy content Toggle raw display
$73$ \( (T^{4} + \cdots + 49\!\cdots\!00)^{2} \) Copy content Toggle raw display
$79$ \( (T^{4} + \cdots + 17\!\cdots\!00)^{2} \) Copy content Toggle raw display
$83$ \( (T^{4} + \cdots + 57\!\cdots\!00)^{2} \) Copy content Toggle raw display
$89$ \( (T^{2} + \cdots - 62\!\cdots\!96)^{4} \) Copy content Toggle raw display
$97$ \( (T^{4} + \cdots + 41\!\cdots\!00)^{2} \) Copy content Toggle raw display
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