Properties

Label 845.2.n.a
Level $845$
Weight $2$
Character orbit 845.n
Analytic conductor $6.747$
Analytic rank $1$
Dimension $4$
CM no
Inner twists $4$

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Newspace parameters

Level: \( N \) \(=\) \( 845 = 5 \cdot 13^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 845.n (of order \(6\), degree \(2\), not minimal)

Newform invariants

Self dual: no
Analytic conductor: \(6.74735897080\)
Analytic rank: \(1\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\Q(\zeta_{12})\)
Defining polynomial: \(x^{4} - x^{2} + 1\)
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 65)
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-expansion

Coefficients of the \(q\)-expansion are expressed in terms of a primitive root of unity \(\zeta_{12}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \zeta_{12} q^{2} -2 \zeta_{12} q^{3} -\zeta_{12}^{2} q^{4} + ( -2 - \zeta_{12}^{3} ) q^{5} -2 \zeta_{12}^{2} q^{6} -3 \zeta_{12}^{3} q^{8} + \zeta_{12}^{2} q^{9} +O(q^{10})\) \( q + \zeta_{12} q^{2} -2 \zeta_{12} q^{3} -\zeta_{12}^{2} q^{4} + ( -2 - \zeta_{12}^{3} ) q^{5} -2 \zeta_{12}^{2} q^{6} -3 \zeta_{12}^{3} q^{8} + \zeta_{12}^{2} q^{9} + ( 1 - 2 \zeta_{12} - \zeta_{12}^{2} ) q^{10} + ( -2 + 2 \zeta_{12}^{2} ) q^{11} + 2 \zeta_{12}^{3} q^{12} + ( -2 + 4 \zeta_{12} + 2 \zeta_{12}^{2} ) q^{15} + ( 1 - \zeta_{12}^{2} ) q^{16} + \zeta_{12}^{3} q^{18} -6 \zeta_{12}^{2} q^{19} + ( -\zeta_{12} + 2 \zeta_{12}^{2} + \zeta_{12}^{3} ) q^{20} + ( -2 \zeta_{12} + 2 \zeta_{12}^{3} ) q^{22} + 6 \zeta_{12} q^{23} + ( -6 + 6 \zeta_{12}^{2} ) q^{24} + ( 3 + 4 \zeta_{12}^{3} ) q^{25} + 4 \zeta_{12}^{3} q^{27} + ( -6 + 6 \zeta_{12}^{2} ) q^{29} + ( -2 \zeta_{12} + 4 \zeta_{12}^{2} + 2 \zeta_{12}^{3} ) q^{30} -6 q^{31} + ( -5 \zeta_{12} + 5 \zeta_{12}^{3} ) q^{32} + ( 4 \zeta_{12} - 4 \zeta_{12}^{3} ) q^{33} + ( 1 - \zeta_{12}^{2} ) q^{36} + 6 \zeta_{12} q^{37} -6 \zeta_{12}^{3} q^{38} + ( -3 + 6 \zeta_{12}^{3} ) q^{40} + ( -8 + 8 \zeta_{12}^{2} ) q^{41} + ( 6 \zeta_{12} - 6 \zeta_{12}^{3} ) q^{43} + 2 q^{44} + ( \zeta_{12} - 2 \zeta_{12}^{2} - \zeta_{12}^{3} ) q^{45} + 6 \zeta_{12}^{2} q^{46} + 8 \zeta_{12}^{3} q^{47} + ( -2 \zeta_{12} + 2 \zeta_{12}^{3} ) q^{48} + ( -7 + 7 \zeta_{12}^{2} ) q^{49} + ( -4 + 3 \zeta_{12} + 4 \zeta_{12}^{2} ) q^{50} -12 \zeta_{12}^{3} q^{53} + ( -4 + 4 \zeta_{12}^{2} ) q^{54} + ( 4 + 2 \zeta_{12} - 4 \zeta_{12}^{2} ) q^{55} + 12 \zeta_{12}^{3} q^{57} + ( -6 \zeta_{12} + 6 \zeta_{12}^{3} ) q^{58} -2 \zeta_{12}^{2} q^{59} + ( 2 - 4 \zeta_{12}^{3} ) q^{60} -6 \zeta_{12}^{2} q^{61} -6 \zeta_{12} q^{62} -7 q^{64} + 4 q^{66} -12 \zeta_{12} q^{67} -12 \zeta_{12}^{2} q^{69} -2 \zeta_{12}^{2} q^{71} + ( 3 \zeta_{12} - 3 \zeta_{12}^{3} ) q^{72} + 6 \zeta_{12}^{3} q^{73} + 6 \zeta_{12}^{2} q^{74} + ( 8 - 6 \zeta_{12} - 8 \zeta_{12}^{2} ) q^{75} + ( -6 + 6 \zeta_{12}^{2} ) q^{76} + ( -2 - \zeta_{12} + 2 \zeta_{12}^{2} ) q^{80} + ( 11 - 11 \zeta_{12}^{2} ) q^{81} + ( -8 \zeta_{12} + 8 \zeta_{12}^{3} ) q^{82} -4 \zeta_{12}^{3} q^{83} + 6 q^{86} + ( 12 \zeta_{12} - 12 \zeta_{12}^{3} ) q^{87} + 6 \zeta_{12} q^{88} + ( 8 - 8 \zeta_{12}^{2} ) q^{89} + ( 1 - 2 \zeta_{12}^{3} ) q^{90} -6 \zeta_{12}^{3} q^{92} + 12 \zeta_{12} q^{93} + ( -8 + 8 \zeta_{12}^{2} ) q^{94} + ( -6 \zeta_{12} + 12 \zeta_{12}^{2} + 6 \zeta_{12}^{3} ) q^{95} + 10 q^{96} + ( -6 \zeta_{12} + 6 \zeta_{12}^{3} ) q^{97} + ( -7 \zeta_{12} + 7 \zeta_{12}^{3} ) q^{98} -2 q^{99} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 2 q^{4} - 8 q^{5} - 4 q^{6} + 2 q^{9} + O(q^{10}) \) \( 4 q - 2 q^{4} - 8 q^{5} - 4 q^{6} + 2 q^{9} + 2 q^{10} - 4 q^{11} - 4 q^{15} + 2 q^{16} - 12 q^{19} + 4 q^{20} - 12 q^{24} + 12 q^{25} - 12 q^{29} + 8 q^{30} - 24 q^{31} + 2 q^{36} - 12 q^{40} - 16 q^{41} + 8 q^{44} - 4 q^{45} + 12 q^{46} - 14 q^{49} - 8 q^{50} - 8 q^{54} + 8 q^{55} - 4 q^{59} + 8 q^{60} - 12 q^{61} - 28 q^{64} + 16 q^{66} - 24 q^{69} - 4 q^{71} + 12 q^{74} + 16 q^{75} - 12 q^{76} - 4 q^{80} + 22 q^{81} + 24 q^{86} + 16 q^{89} + 4 q^{90} - 16 q^{94} + 24 q^{95} + 40 q^{96} - 8 q^{99} + O(q^{100}) \)

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/845\mathbb{Z}\right)^\times\).

\(n\) \(171\) \(677\)
\(\chi(n)\) \(-\zeta_{12}^{2}\) \(-1\)

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.

Label \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
484.1
−0.866025 + 0.500000i
0.866025 0.500000i
−0.866025 0.500000i
0.866025 + 0.500000i
−0.866025 + 0.500000i 1.73205 1.00000i −0.500000 + 0.866025i −2.00000 1.00000i −1.00000 + 1.73205i 0 3.00000i 0.500000 0.866025i 2.23205 0.133975i
484.2 0.866025 0.500000i −1.73205 + 1.00000i −0.500000 + 0.866025i −2.00000 + 1.00000i −1.00000 + 1.73205i 0 3.00000i 0.500000 0.866025i −1.23205 + 1.86603i
529.1 −0.866025 0.500000i 1.73205 + 1.00000i −0.500000 0.866025i −2.00000 + 1.00000i −1.00000 1.73205i 0 3.00000i 0.500000 + 0.866025i 2.23205 + 0.133975i
529.2 0.866025 + 0.500000i −1.73205 1.00000i −0.500000 0.866025i −2.00000 1.00000i −1.00000 1.73205i 0 3.00000i 0.500000 + 0.866025i −1.23205 1.86603i
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.b even 2 1 inner
13.c even 3 1 inner
65.n even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 845.2.n.a 4
5.b even 2 1 inner 845.2.n.a 4
13.b even 2 1 845.2.n.b 4
13.c even 3 1 845.2.b.a 2
13.c even 3 1 inner 845.2.n.a 4
13.d odd 4 1 845.2.l.a 4
13.d odd 4 1 845.2.l.b 4
13.e even 6 1 845.2.b.b 2
13.e even 6 1 845.2.n.b 4
13.f odd 12 1 65.2.d.a 2
13.f odd 12 1 65.2.d.b yes 2
13.f odd 12 1 845.2.l.a 4
13.f odd 12 1 845.2.l.b 4
39.k even 12 1 585.2.h.b 2
39.k even 12 1 585.2.h.c 2
52.l even 12 1 1040.2.f.a 2
52.l even 12 1 1040.2.f.b 2
65.d even 2 1 845.2.n.b 4
65.g odd 4 1 845.2.l.a 4
65.g odd 4 1 845.2.l.b 4
65.l even 6 1 845.2.b.b 2
65.l even 6 1 845.2.n.b 4
65.n even 6 1 845.2.b.a 2
65.n even 6 1 inner 845.2.n.a 4
65.o even 12 1 325.2.c.b 2
65.o even 12 1 325.2.c.e 2
65.q odd 12 1 4225.2.a.e 1
65.q odd 12 1 4225.2.a.m 1
65.r odd 12 1 4225.2.a.h 1
65.r odd 12 1 4225.2.a.k 1
65.s odd 12 1 65.2.d.a 2
65.s odd 12 1 65.2.d.b yes 2
65.s odd 12 1 845.2.l.a 4
65.s odd 12 1 845.2.l.b 4
65.t even 12 1 325.2.c.b 2
65.t even 12 1 325.2.c.e 2
195.bh even 12 1 585.2.h.b 2
195.bh even 12 1 585.2.h.c 2
260.bc even 12 1 1040.2.f.a 2
260.bc even 12 1 1040.2.f.b 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
65.2.d.a 2 13.f odd 12 1
65.2.d.a 2 65.s odd 12 1
65.2.d.b yes 2 13.f odd 12 1
65.2.d.b yes 2 65.s odd 12 1
325.2.c.b 2 65.o even 12 1
325.2.c.b 2 65.t even 12 1
325.2.c.e 2 65.o even 12 1
325.2.c.e 2 65.t even 12 1
585.2.h.b 2 39.k even 12 1
585.2.h.b 2 195.bh even 12 1
585.2.h.c 2 39.k even 12 1
585.2.h.c 2 195.bh even 12 1
845.2.b.a 2 13.c even 3 1
845.2.b.a 2 65.n even 6 1
845.2.b.b 2 13.e even 6 1
845.2.b.b 2 65.l even 6 1
845.2.l.a 4 13.d odd 4 1
845.2.l.a 4 13.f odd 12 1
845.2.l.a 4 65.g odd 4 1
845.2.l.a 4 65.s odd 12 1
845.2.l.b 4 13.d odd 4 1
845.2.l.b 4 13.f odd 12 1
845.2.l.b 4 65.g odd 4 1
845.2.l.b 4 65.s odd 12 1
845.2.n.a 4 1.a even 1 1 trivial
845.2.n.a 4 5.b even 2 1 inner
845.2.n.a 4 13.c even 3 1 inner
845.2.n.a 4 65.n even 6 1 inner
845.2.n.b 4 13.b even 2 1
845.2.n.b 4 13.e even 6 1
845.2.n.b 4 65.d even 2 1
845.2.n.b 4 65.l even 6 1
1040.2.f.a 2 52.l even 12 1
1040.2.f.a 2 260.bc even 12 1
1040.2.f.b 2 52.l even 12 1
1040.2.f.b 2 260.bc even 12 1
4225.2.a.e 1 65.q odd 12 1
4225.2.a.h 1 65.r odd 12 1
4225.2.a.k 1 65.r odd 12 1
4225.2.a.m 1 65.q odd 12 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(845, [\chi])\):

\( T_{2}^{4} - T_{2}^{2} + 1 \)
\( T_{11}^{2} + 2 T_{11} + 4 \)

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( 1 - T^{2} + T^{4} \)
$3$ \( 16 - 4 T^{2} + T^{4} \)
$5$ \( ( 5 + 4 T + T^{2} )^{2} \)
$7$ \( T^{4} \)
$11$ \( ( 4 + 2 T + T^{2} )^{2} \)
$13$ \( T^{4} \)
$17$ \( T^{4} \)
$19$ \( ( 36 + 6 T + T^{2} )^{2} \)
$23$ \( 1296 - 36 T^{2} + T^{4} \)
$29$ \( ( 36 + 6 T + T^{2} )^{2} \)
$31$ \( ( 6 + T )^{4} \)
$37$ \( 1296 - 36 T^{2} + T^{4} \)
$41$ \( ( 64 + 8 T + T^{2} )^{2} \)
$43$ \( 1296 - 36 T^{2} + T^{4} \)
$47$ \( ( 64 + T^{2} )^{2} \)
$53$ \( ( 144 + T^{2} )^{2} \)
$59$ \( ( 4 + 2 T + T^{2} )^{2} \)
$61$ \( ( 36 + 6 T + T^{2} )^{2} \)
$67$ \( 20736 - 144 T^{2} + T^{4} \)
$71$ \( ( 4 + 2 T + T^{2} )^{2} \)
$73$ \( ( 36 + T^{2} )^{2} \)
$79$ \( T^{4} \)
$83$ \( ( 16 + T^{2} )^{2} \)
$89$ \( ( 64 - 8 T + T^{2} )^{2} \)
$97$ \( 1296 - 36 T^{2} + T^{4} \)
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