Properties

Label 324.2.h.f
Level $324$
Weight $2$
Character orbit 324.h
Analytic conductor $2.587$
Analytic rank $0$
Dimension $16$
Inner twists $8$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [324,2,Mod(107,324)] 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("324.107"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(324, base_ring=CyclotomicField(6)) chi = DirichletCharacter(H, H._module([3, 1])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 324 = 2^{2} \cdot 3^{4} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 324.h (of order \(6\), degree \(2\), not minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [16,0,0,-8,0,0,0] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(7)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(2.58715302549\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(8\) over \(\Q(\zeta_{6})\)
Coefficient field: 16.0.33418400425706520576.1
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 8x^{14} + 49x^{12} - 104x^{10} + 160x^{8} - 104x^{6} + 49x^{4} - 8x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 3^{4} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

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

\(f(q)\) \(=\) \( q + \beta_{15} q^{2} + ( - \beta_{13} - \beta_{11} - \beta_{9} + \cdots - 1) q^{4} + \beta_{10} q^{5} + (\beta_{13} + \beta_{11} + \cdots + 2 \beta_1) q^{7} + (\beta_{14} + \beta_{10} + \cdots - 2 \beta_{2}) q^{8}+ \cdots + ( - 2 \beta_{14} - 2 \beta_{10} + \cdots + 2 \beta_{3}) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q - 8 q^{4} + 8 q^{10} + 8 q^{13} + 4 q^{16} - 12 q^{22} - 24 q^{25} - 24 q^{28} - 4 q^{34} + 32 q^{37} - 16 q^{40} - 72 q^{46} + 40 q^{49} - 16 q^{52} - 16 q^{58} + 32 q^{61} + 16 q^{64} + 36 q^{70}+ \cdots + 32 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 8x^{14} + 49x^{12} - 104x^{10} + 160x^{8} - 104x^{6} + 49x^{4} - 8x^{2} + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -3\nu^{14} + 104\nu^{12} - 768\nu^{10} + 4072\nu^{8} - 7808\nu^{6} + 10848\nu^{4} - 5011\nu^{2} + 1944 ) / 528 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -13\nu^{15} + 227\nu^{13} - 1568\nu^{11} + 6968\nu^{9} - 12392\nu^{7} + 16208\nu^{5} - 6637\nu^{3} + 2451\nu ) / 528 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 140\nu^{15} - 1051\nu^{13} + 6272\nu^{11} - 10976\nu^{9} + 14104\nu^{7} - 3584\nu^{5} + 588\nu^{3} - 1323\nu ) / 1056 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -5\nu^{14} + 48\nu^{12} - 304\nu^{10} + 872\nu^{8} - 1392\nu^{6} + 1312\nu^{4} - 453\nu^{2} + 96 ) / 48 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 169\nu^{15} - 1191\nu^{13} + 7008\nu^{11} - 9800\nu^{9} + 10968\nu^{7} + 7008\nu^{5} - 7175\nu^{3} + 7209\nu ) / 1056 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 160 \nu^{15} + 1385 \nu^{13} - 8576 \nu^{11} + 20992 \nu^{9} - 31720 \nu^{7} + 24512 \nu^{5} + \cdots + 3833 \nu ) / 1056 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 153 \nu^{15} - 1399 \nu^{13} + 8896 \nu^{11} - 24456 \nu^{9} + 42424 \nu^{7} - 42496 \nu^{5} + \cdots - 5127 \nu ) / 1056 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 196\nu^{14} - 1533\nu^{12} + 9344\nu^{10} - 18816\nu^{8} + 28616\nu^{6} - 16352\nu^{4} + 8708\nu^{2} - 365 ) / 1056 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 216 \nu^{14} - 1867 \nu^{12} + 11648 \nu^{10} - 28832 \nu^{8} + 46232 \nu^{6} - 37280 \nu^{4} + \cdots - 1819 ) / 1056 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 365 \nu^{15} + 2724 \nu^{13} - 16352 \nu^{11} + 28616 \nu^{9} - 39584 \nu^{7} + 9344 \nu^{5} + \cdots - 4732 \nu ) / 1056 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 307 \nu^{14} + 2576 \nu^{12} - 15936 \nu^{10} + 37304 \nu^{8} - 58528 \nu^{6} + 45312 \nu^{4} + \cdots + 2960 ) / 1056 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 161\nu^{14} - 1295\nu^{12} + 7952\nu^{10} - 17128\nu^{8} + 26696\nu^{6} - 17744\nu^{4} + 7505\nu^{2} - 15 ) / 528 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( -5\nu^{14} + 40\nu^{12} - 244\nu^{10} + 512\nu^{8} - 752\nu^{6} + 424\nu^{4} - 129\nu^{2} + 4 ) / 12 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( - 593 \nu^{15} + 4919 \nu^{13} - 30368 \nu^{11} + 69512 \nu^{9} - 108600 \nu^{7} + 79808 \nu^{5} + \cdots + 5479 \nu ) / 1056 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( - 721 \nu^{15} + 5642 \nu^{13} - 34272 \nu^{11} + 68424 \nu^{9} - 99920 \nu^{7} + 50208 \nu^{5} + \cdots - 1590 \nu ) / 1056 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{15} + 2\beta_{10} + \beta_{6} + \beta_{5} ) / 3 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{13} - 4\beta_{12} - 2\beta_{11} + 3\beta_{9} + 3\beta_{8} + \beta_{4} + 2\beta _1 + 2 ) / 3 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( -4\beta_{15} + 2\beta_{14} + 3\beta_{10} + 2\beta_{6} - \beta_{5} - \beta_{3} - \beta_{2} \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 11\beta_{13} - 11\beta_{12} - 10\beta_{11} + 15\beta_{9} + 9\beta_{8} - 4\beta_{4} + 22\beta _1 - 20 ) / 3 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -35\beta_{15} + 39\beta_{14} - 14\beta_{10} + 6\beta_{7} + 14\beta_{6} - 28\beta_{5} - 15\beta_{3} - 36\beta_{2} ) / 3 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( 13\beta_{13} + 20\beta_{12} + 6\beta_{11} - 8\beta_{9} - 27\beta_{4} + 20\beta _1 - 54 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 197\beta_{15} - 373\beta_{10} - 74\beta_{6} - 74\beta_{5} + 24\beta_{3} - 123\beta_{2} ) / 3 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( -116\beta_{13} + 662\beta_{12} + 454\beta_{11} - 570\beta_{9} - 222\beta_{8} - 362\beta_{4} - 331\beta _1 - 331 ) / 3 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( 732 \beta_{15} - 421 \beta_{14} - 556 \beta_{10} - 90 \beta_{7} - 270 \beta_{6} + 135 \beta_{5} + \cdots + 141 \beta_{2} \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( - 1834 \beta_{13} + 1834 \beta_{12} + 2030 \beta_{11} - 2331 \beta_{9} - 1215 \beta_{8} + 497 \beta_{4} + \cdots + 3049 ) / 3 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 6103 \beta_{15} - 7035 \beta_{14} + 2239 \beta_{10} - 1533 \beta_{7} - 2239 \beta_{6} + \cdots + 6195 \beta_{2} ) / 3 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( -2200\beta_{13} - 3392\beta_{12} - 912\beta_{11} + 1568\beta_{9} + 4680\beta_{4} - 3392\beta _1 + 9023 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( -33895\beta_{15} + 63926\beta_{10} + 12415\beta_{6} + 12415\beta_{5} - 4704\beta_{3} + 21480\beta_{2} ) / 3 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 19855 \beta_{13} - 112972 \beta_{12} - 77966 \beta_{11} + 97821 \beta_{9} + 37245 \beta_{8} + \cdots + 56486 ) / 3 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( - 125468 \beta_{15} + 72374 \beta_{14} + 95341 \beta_{10} + 15888 \beta_{7} + 45934 \beta_{6} + \cdots - 23879 \beta_{2} \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/324\mathbb{Z}\right)^\times\).

\(n\) \(163\) \(245\)
\(\chi(n)\) \(-1\) \(1 - \beta_{8}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
107.1
−1.11871 + 0.645885i
0.367543 0.212201i
2.04058 1.17813i
0.670418 0.387066i
−0.670418 + 0.387066i
−2.04058 + 1.17813i
−0.367543 + 0.212201i
1.11871 0.645885i
−1.11871 0.645885i
0.367543 + 0.212201i
2.04058 + 1.17813i
0.670418 + 0.387066i
−0.670418 0.387066i
−2.04058 1.17813i
−0.367543 0.212201i
1.11871 + 0.645885i
−1.35299 + 0.411599i 0 1.66117 1.11378i −0.448288 + 0.258819i 0 −2.53020 1.46081i −1.78912 + 2.19067i 0 0.500000 0.534695i
107.2 −0.919308 + 1.07465i 0 −0.309746 1.97587i −1.67303 + 0.965926i 0 3.40559 + 1.96622i 2.40812 + 1.48356i 0 0.500000 2.68591i
107.3 −0.471020 + 1.33347i 0 −1.55628 1.25618i 1.67303 0.965926i 0 −3.40559 1.96622i 2.40812 1.48356i 0 0.500000 + 2.68591i
107.4 −0.320041 1.37752i 0 −1.79515 + 0.881728i −0.448288 + 0.258819i 0 2.53020 + 1.46081i 1.78912 + 2.19067i 0 0.500000 + 0.534695i
107.5 0.320041 + 1.37752i 0 −1.79515 + 0.881728i 0.448288 0.258819i 0 2.53020 + 1.46081i −1.78912 2.19067i 0 0.500000 + 0.534695i
107.6 0.471020 1.33347i 0 −1.55628 1.25618i −1.67303 + 0.965926i 0 −3.40559 1.96622i −2.40812 + 1.48356i 0 0.500000 + 2.68591i
107.7 0.919308 1.07465i 0 −0.309746 1.97587i 1.67303 0.965926i 0 3.40559 + 1.96622i −2.40812 1.48356i 0 0.500000 2.68591i
107.8 1.35299 0.411599i 0 1.66117 1.11378i 0.448288 0.258819i 0 −2.53020 1.46081i 1.78912 2.19067i 0 0.500000 0.534695i
215.1 −1.35299 0.411599i 0 1.66117 + 1.11378i −0.448288 0.258819i 0 −2.53020 + 1.46081i −1.78912 2.19067i 0 0.500000 + 0.534695i
215.2 −0.919308 1.07465i 0 −0.309746 + 1.97587i −1.67303 0.965926i 0 3.40559 1.96622i 2.40812 1.48356i 0 0.500000 + 2.68591i
215.3 −0.471020 1.33347i 0 −1.55628 + 1.25618i 1.67303 + 0.965926i 0 −3.40559 + 1.96622i 2.40812 + 1.48356i 0 0.500000 2.68591i
215.4 −0.320041 + 1.37752i 0 −1.79515 0.881728i −0.448288 0.258819i 0 2.53020 1.46081i 1.78912 2.19067i 0 0.500000 0.534695i
215.5 0.320041 1.37752i 0 −1.79515 0.881728i 0.448288 + 0.258819i 0 2.53020 1.46081i −1.78912 + 2.19067i 0 0.500000 0.534695i
215.6 0.471020 + 1.33347i 0 −1.55628 + 1.25618i −1.67303 0.965926i 0 −3.40559 + 1.96622i −2.40812 1.48356i 0 0.500000 2.68591i
215.7 0.919308 + 1.07465i 0 −0.309746 + 1.97587i 1.67303 + 0.965926i 0 3.40559 1.96622i −2.40812 + 1.48356i 0 0.500000 + 2.68591i
215.8 1.35299 + 0.411599i 0 1.66117 + 1.11378i 0.448288 + 0.258819i 0 −2.53020 + 1.46081i 1.78912 + 2.19067i 0 0.500000 + 0.534695i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 107.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
4.b odd 2 1 inner
9.c even 3 1 inner
9.d odd 6 1 inner
12.b even 2 1 inner
36.f odd 6 1 inner
36.h even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 324.2.h.f 16
3.b odd 2 1 inner 324.2.h.f 16
4.b odd 2 1 inner 324.2.h.f 16
9.c even 3 1 324.2.b.c 8
9.c even 3 1 inner 324.2.h.f 16
9.d odd 6 1 324.2.b.c 8
9.d odd 6 1 inner 324.2.h.f 16
12.b even 2 1 inner 324.2.h.f 16
36.f odd 6 1 324.2.b.c 8
36.f odd 6 1 inner 324.2.h.f 16
36.h even 6 1 324.2.b.c 8
36.h even 6 1 inner 324.2.h.f 16
72.j odd 6 1 5184.2.c.k 8
72.l even 6 1 5184.2.c.k 8
72.n even 6 1 5184.2.c.k 8
72.p odd 6 1 5184.2.c.k 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
324.2.b.c 8 9.c even 3 1
324.2.b.c 8 9.d odd 6 1
324.2.b.c 8 36.f odd 6 1
324.2.b.c 8 36.h even 6 1
324.2.h.f 16 1.a even 1 1 trivial
324.2.h.f 16 3.b odd 2 1 inner
324.2.h.f 16 4.b odd 2 1 inner
324.2.h.f 16 9.c even 3 1 inner
324.2.h.f 16 9.d odd 6 1 inner
324.2.h.f 16 12.b even 2 1 inner
324.2.h.f 16 36.f odd 6 1 inner
324.2.h.f 16 36.h even 6 1 inner
5184.2.c.k 8 72.j odd 6 1
5184.2.c.k 8 72.l even 6 1
5184.2.c.k 8 72.n even 6 1
5184.2.c.k 8 72.p odd 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(324, [\chi])\):

\( T_{5}^{8} - 4T_{5}^{6} + 15T_{5}^{4} - 4T_{5}^{2} + 1 \) Copy content Toggle raw display
\( T_{7}^{8} - 24T_{7}^{6} + 444T_{7}^{4} - 3168T_{7}^{2} + 17424 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} + 4 T^{14} + \cdots + 256 \) Copy content Toggle raw display
$3$ \( T^{16} \) Copy content Toggle raw display
$5$ \( (T^{8} - 4 T^{6} + 15 T^{4} + \cdots + 1)^{2} \) Copy content Toggle raw display
$7$ \( (T^{8} - 24 T^{6} + \cdots + 17424)^{2} \) Copy content Toggle raw display
$11$ \( (T^{8} + 36 T^{6} + \cdots + 17424)^{2} \) Copy content Toggle raw display
$13$ \( (T^{4} - 2 T^{3} + \cdots + 121)^{4} \) Copy content Toggle raw display
$17$ \( (T^{4} + 28 T^{2} + 121)^{4} \) Copy content Toggle raw display
$19$ \( (T^{4} + 72 T^{2} + 1188)^{4} \) Copy content Toggle raw display
$23$ \( (T^{8} + 60 T^{6} + \cdots + 17424)^{2} \) Copy content Toggle raw display
$29$ \( (T^{8} - 28 T^{6} + \cdots + 14641)^{2} \) Copy content Toggle raw display
$31$ \( (T^{8} - 72 T^{6} + \cdots + 278784)^{2} \) Copy content Toggle raw display
$37$ \( (T^{2} - 4 T + 1)^{8} \) Copy content Toggle raw display
$41$ \( (T^{8} - 76 T^{6} + \cdots + 456976)^{2} \) Copy content Toggle raw display
$43$ \( (T^{8} - 24 T^{6} + \cdots + 17424)^{2} \) Copy content Toggle raw display
$47$ \( (T^{8} + 48 T^{6} + \cdots + 278784)^{2} \) Copy content Toggle raw display
$53$ \( (T^{4} + 124 T^{2} + 2116)^{4} \) Copy content Toggle raw display
$59$ \( (T^{8} + 48 T^{6} + \cdots + 278784)^{2} \) Copy content Toggle raw display
$61$ \( (T^{4} - 8 T^{3} + \cdots + 169)^{4} \) Copy content Toggle raw display
$67$ \( (T^{8} - 24 T^{6} + \cdots + 17424)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} - 108 T^{2} + 1188)^{4} \) Copy content Toggle raw display
$73$ \( (T^{2} + 8 T - 59)^{8} \) Copy content Toggle raw display
$79$ \( (T^{8} - 120 T^{6} + \cdots + 17424)^{2} \) Copy content Toggle raw display
$83$ \( (T^{8} + 144 T^{6} + \cdots + 4460544)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} + 196 T^{2} + 2401)^{4} \) Copy content Toggle raw display
$97$ \( (T^{4} - 8 T^{3} + 60 T^{2} + \cdots + 16)^{4} \) Copy content Toggle raw display
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