Properties

Label 1320.2.bw.i
Level $1320$
Weight $2$
Character orbit 1320.bw
Analytic conductor $10.540$
Analytic rank $0$
Dimension $16$
Inner twists $2$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1320,2,Mod(361,1320)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1320, base_ring=CyclotomicField(10))
 
chi = DirichletCharacter(H, H._module([0, 0, 0, 0, 6]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1320.361");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1320 = 2^{3} \cdot 3 \cdot 5 \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1320.bw (of order \(5\), degree \(4\), 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: \(10.5402530668\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(4\) over \(\Q(\zeta_{5})\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 4 x^{15} + 26 x^{14} - 64 x^{13} + 486 x^{12} - 10 x^{11} + 6075 x^{10} + 9130 x^{9} + \cdots + 50410000 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{5}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{15}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{2} q^{3} - \beta_{3} q^{5} + \beta_1 q^{7} - \beta_{6} q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{2} q^{3} - \beta_{3} q^{5} + \beta_1 q^{7} - \beta_{6} q^{9} - \beta_{12} q^{11} + ( - \beta_{9} + \beta_{8} + \beta_{4}) q^{13} + (\beta_{6} + \beta_{3} - \beta_{2} - 1) q^{15} + (\beta_{14} - \beta_{4}) q^{17} + (\beta_{15} - 2 \beta_{13} - \beta_{12} + \cdots - 1) q^{19}+ \cdots - \beta_{15} q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q - 4 q^{3} - 4 q^{5} + 4 q^{7} - 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q - 4 q^{3} - 4 q^{5} + 4 q^{7} - 4 q^{9} - q^{11} + q^{13} - 4 q^{15} - 3 q^{17} - 2 q^{19} - 6 q^{21} + 10 q^{23} - 4 q^{25} - 4 q^{27} - 5 q^{29} + 3 q^{31} - q^{33} - q^{35} - 25 q^{37} + q^{39} - 2 q^{41} - 2 q^{43} + 16 q^{45} + 14 q^{47} - 8 q^{49} + 2 q^{51} - 11 q^{53} + 4 q^{55} + 8 q^{57} - 7 q^{59} - 3 q^{61} + 4 q^{63} + 6 q^{65} + 32 q^{67} - 15 q^{71} - q^{73} - 4 q^{75} + 9 q^{77} - 15 q^{79} - 4 q^{81} - 17 q^{83} + 2 q^{85} + 26 q^{89} + 36 q^{91} + 3 q^{93} - 2 q^{95} - 45 q^{97} - q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 4 x^{15} + 26 x^{14} - 64 x^{13} + 486 x^{12} - 10 x^{11} + 6075 x^{10} + 9130 x^{9} + \cdots + 50410000 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 23\!\cdots\!19 \nu^{15} + \cdots - 20\!\cdots\!00 ) / 13\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( - 12\!\cdots\!95 \nu^{15} + \cdots - 81\!\cdots\!00 ) / 13\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 15\!\cdots\!87 \nu^{15} + \cdots - 41\!\cdots\!00 ) / 13\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( - 10\!\cdots\!59 \nu^{15} + \cdots - 41\!\cdots\!00 ) / 46\!\cdots\!50 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 40\!\cdots\!31 \nu^{15} + \cdots + 16\!\cdots\!00 ) / 13\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 11\!\cdots\!27 \nu^{15} + \cdots - 82\!\cdots\!00 ) / 13\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 47\!\cdots\!83 \nu^{15} + \cdots - 71\!\cdots\!00 ) / 46\!\cdots\!50 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 14\!\cdots\!57 \nu^{15} + \cdots + 47\!\cdots\!00 ) / 13\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 14\!\cdots\!15 \nu^{15} + \cdots + 87\!\cdots\!00 ) / 13\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 10\!\cdots\!03 \nu^{15} + \cdots + 19\!\cdots\!00 ) / 93\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( - 16\!\cdots\!87 \nu^{15} + \cdots - 79\!\cdots\!00 ) / 13\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 15\!\cdots\!68 \nu^{15} + \cdots - 35\!\cdots\!00 ) / 66\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 17\!\cdots\!33 \nu^{15} + \cdots + 23\!\cdots\!50 ) / 46\!\cdots\!50 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( - 54\!\cdots\!93 \nu^{15} + \cdots - 11\!\cdots\!00 ) / 13\!\cdots\!00 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{15} + \beta_{14} - \beta_{13} + \beta_{12} - \beta_{11} - \beta_{7} - \beta_{5} - 10\beta_{3} + \beta_{2} \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 3 \beta_{13} + 6 \beta_{12} - 13 \beta_{11} + 2 \beta_{10} + 6 \beta_{9} - 19 \beta_{8} + \cdots - 12 \beta_1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( - 23 \beta_{15} - 25 \beta_{14} + 46 \beta_{13} + 29 \beta_{12} - 4 \beta_{11} + 54 \beta_{10} + \cdots - 8 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( - 108 \beta_{15} - 92 \beta_{14} + 88 \beta_{13} + 20 \beta_{12} + 20 \beta_{11} + 191 \beta_{10} + \cdots - 346 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( - 516 \beta_{15} - 562 \beta_{14} - 209 \beta_{13} - 467 \beta_{12} + 444 \beta_{11} + 28 \beta_{10} + \cdots - 2564 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( - 3062 \beta_{15} - 4180 \beta_{14} - 1370 \beta_{13} - 3062 \beta_{12} + 6414 \beta_{11} - 4301 \beta_{9} + \cdots - 5672 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( - 9706 \beta_{15} - 9706 \beta_{14} - 8120 \beta_{13} - 16240 \beta_{12} + 26036 \beta_{11} + \cdots + 11708 \beta_1 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( 26257 \beta_{15} + 45995 \beta_{14} - 52514 \beta_{13} - 81006 \beta_{12} + 19231 \beta_{11} + \cdots + 144132 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( 440947 \beta_{15} + 483063 \beta_{14} - 228887 \beta_{13} - 212060 \beta_{12} - 212060 \beta_{11} + \cdots + 1306764 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( 2718104 \beta_{15} + 2840778 \beta_{14} - 626999 \beta_{13} + 732053 \beta_{12} - 2098846 \beta_{11} + \cdots + 5986216 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( 10995323 \beta_{15} + 11950605 \beta_{14} + 1285185 \beta_{13} + 10995323 \beta_{12} - 15958511 \beta_{11} + \cdots + 15935328 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( 19477584 \beta_{15} + 19477584 \beta_{14} + 33980025 \beta_{13} + 67960050 \beta_{12} + \cdots - 13860002 \beta_1 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( - 115203478 \beta_{15} - 138006690 \beta_{14} + 230406956 \beta_{13} + 275856559 \beta_{12} + \cdots - 430303568 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( - 1360821463 \beta_{15} - 1491428947 \beta_{14} + 854245383 \beta_{13} + 506576080 \beta_{12} + \cdots - 3844564986 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1320\mathbb{Z}\right)^\times\).

\(n\) \(661\) \(881\) \(991\) \(1057\) \(1201\)
\(\chi(n)\) \(1\) \(1\) \(1\) \(1\) \(-1 - \beta_{2} + \beta_{3} + \beta_{6}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
361.1
−2.16250 1.57115i
−2.06162 1.49786i
2.26881 + 1.64839i
4.07335 + 2.95946i
−2.16250 + 1.57115i
−2.06162 + 1.49786i
2.26881 1.64839i
4.07335 2.95946i
−1.22009 3.75505i
−0.725441 2.23268i
0.640948 + 1.97263i
1.18655 + 3.65182i
−1.22009 + 3.75505i
−0.725441 + 2.23268i
0.640948 1.97263i
1.18655 3.65182i
0 −0.809017 + 0.587785i 0 0.309017 + 0.951057i 0 −2.16250 1.57115i 0 0.309017 0.951057i 0
361.2 0 −0.809017 + 0.587785i 0 0.309017 + 0.951057i 0 −2.06162 1.49786i 0 0.309017 0.951057i 0
361.3 0 −0.809017 + 0.587785i 0 0.309017 + 0.951057i 0 2.26881 + 1.64839i 0 0.309017 0.951057i 0
361.4 0 −0.809017 + 0.587785i 0 0.309017 + 0.951057i 0 4.07335 + 2.95946i 0 0.309017 0.951057i 0
841.1 0 −0.809017 0.587785i 0 0.309017 0.951057i 0 −2.16250 + 1.57115i 0 0.309017 + 0.951057i 0
841.2 0 −0.809017 0.587785i 0 0.309017 0.951057i 0 −2.06162 + 1.49786i 0 0.309017 + 0.951057i 0
841.3 0 −0.809017 0.587785i 0 0.309017 0.951057i 0 2.26881 1.64839i 0 0.309017 + 0.951057i 0
841.4 0 −0.809017 0.587785i 0 0.309017 0.951057i 0 4.07335 2.95946i 0 0.309017 + 0.951057i 0
961.1 0 0.309017 0.951057i 0 −0.809017 + 0.587785i 0 −1.22009 3.75505i 0 −0.809017 0.587785i 0
961.2 0 0.309017 0.951057i 0 −0.809017 + 0.587785i 0 −0.725441 2.23268i 0 −0.809017 0.587785i 0
961.3 0 0.309017 0.951057i 0 −0.809017 + 0.587785i 0 0.640948 + 1.97263i 0 −0.809017 0.587785i 0
961.4 0 0.309017 0.951057i 0 −0.809017 + 0.587785i 0 1.18655 + 3.65182i 0 −0.809017 0.587785i 0
1081.1 0 0.309017 + 0.951057i 0 −0.809017 0.587785i 0 −1.22009 + 3.75505i 0 −0.809017 + 0.587785i 0
1081.2 0 0.309017 + 0.951057i 0 −0.809017 0.587785i 0 −0.725441 + 2.23268i 0 −0.809017 + 0.587785i 0
1081.3 0 0.309017 + 0.951057i 0 −0.809017 0.587785i 0 0.640948 1.97263i 0 −0.809017 + 0.587785i 0
1081.4 0 0.309017 + 0.951057i 0 −0.809017 0.587785i 0 1.18655 3.65182i 0 −0.809017 + 0.587785i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 361.4
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
11.c even 5 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1320.2.bw.i 16
11.c even 5 1 inner 1320.2.bw.i 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1320.2.bw.i 16 1.a even 1 1 trivial
1320.2.bw.i 16 11.c even 5 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{16} - 4 T_{7}^{15} + 26 T_{7}^{14} - 64 T_{7}^{13} + 486 T_{7}^{12} - 10 T_{7}^{11} + \cdots + 50410000 \) acting on \(S_{2}^{\mathrm{new}}(1320, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{4} + T^{3} + T^{2} + \cdots + 1)^{4} \) Copy content Toggle raw display
$5$ \( (T^{4} + T^{3} + T^{2} + \cdots + 1)^{4} \) Copy content Toggle raw display
$7$ \( T^{16} - 4 T^{15} + \cdots + 50410000 \) Copy content Toggle raw display
$11$ \( T^{16} + \cdots + 214358881 \) Copy content Toggle raw display
$13$ \( T^{16} - T^{15} + \cdots + 609961 \) Copy content Toggle raw display
$17$ \( T^{16} + 3 T^{15} + \cdots + 256 \) Copy content Toggle raw display
$19$ \( T^{16} + \cdots + 1178136976 \) Copy content Toggle raw display
$23$ \( (T^{8} - 5 T^{7} + \cdots + 2945)^{2} \) Copy content Toggle raw display
$29$ \( T^{16} + \cdots + 1861576444816 \) Copy content Toggle raw display
$31$ \( T^{16} + \cdots + 116208400 \) Copy content Toggle raw display
$37$ \( T^{16} + \cdots + 1770642241 \) Copy content Toggle raw display
$41$ \( T^{16} + \cdots + 50357155216 \) Copy content Toggle raw display
$43$ \( (T^{8} + T^{7} + \cdots + 14764)^{2} \) Copy content Toggle raw display
$47$ \( T^{16} - 14 T^{15} + \cdots + 76125625 \) Copy content Toggle raw display
$53$ \( T^{16} + \cdots + 67207451536 \) Copy content Toggle raw display
$59$ \( T^{16} + \cdots + 2346009925561 \) Copy content Toggle raw display
$61$ \( T^{16} + \cdots + 7744000000 \) Copy content Toggle raw display
$67$ \( (T^{8} - 16 T^{7} + \cdots + 716)^{2} \) Copy content Toggle raw display
$71$ \( T^{16} + \cdots + 153561664000000 \) Copy content Toggle raw display
$73$ \( T^{16} + \cdots + 5139542907136 \) Copy content Toggle raw display
$79$ \( T^{16} + \cdots + 16374785296 \) Copy content Toggle raw display
$83$ \( T^{16} + 17 T^{15} + \cdots + 7929856 \) Copy content Toggle raw display
$89$ \( (T^{8} - 13 T^{7} + \cdots - 178410500)^{2} \) Copy content Toggle raw display
$97$ \( T^{16} + \cdots + 4505094400 \) Copy content Toggle raw display
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