Properties

Label 740.2.bg
Level $740$
Weight $2$
Character orbit 740.bg
Rep. character $\chi_{740}(47,\cdot)$
Character field $\Q(\zeta_{12})$
Dimension $440$
Newform subspaces $3$
Sturm bound $228$
Trace bound $5$

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Defining parameters

Level: \( N \) \(=\) \( 740 = 2^{2} \cdot 5 \cdot 37 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 740.bg (of order \(12\) and degree \(4\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 740 \)
Character field: \(\Q(\zeta_{12})\)
Newform subspaces: \( 3 \)
Sturm bound: \(228\)
Trace bound: \(5\)
Distinguishing \(T_p\): \(3\), \(17\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(740, [\chi])\).

Total New Old
Modular forms 472 472 0
Cusp forms 440 440 0
Eisenstein series 32 32 0

Trace form

\( 440 q - 2 q^{2} - 4 q^{5} - 16 q^{6} - 8 q^{8} - 8 q^{10} + 10 q^{12} - 8 q^{13} - 4 q^{16} + 6 q^{17} - 18 q^{18} - 18 q^{20} - 8 q^{21} + 2 q^{22} + 6 q^{25} - 48 q^{26} - 2 q^{28} - 12 q^{30} - 2 q^{32}+ \cdots + 54 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{2}^{\mathrm{new}}(740, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Minimal twist Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
740.2.bg.a 740.bg 740.ag $4$ $5.909$ \(\Q(\zeta_{12})\) \(\Q(\sqrt{-1}) \) 740.2.bg.a \(2\) \(0\) \(-8\) \(0\) $\mathrm{U}(1)[D_{12}]$ \(q+(-\zeta_{12}+\zeta_{12}^{2}+\zeta_{12}^{3})q^{2}-2\zeta_{12}q^{4}+\cdots\)
740.2.bg.b 740.bg 740.ag $4$ $5.909$ \(\Q(\zeta_{12})\) \(\Q(\sqrt{-1}) \) 740.2.bg.a \(2\) \(0\) \(4\) \(0\) $\mathrm{U}(1)[D_{12}]$ \(q+(-\zeta_{12}+\zeta_{12}^{2}+\zeta_{12}^{3})q^{2}-2\zeta_{12}q^{4}+\cdots\)
740.2.bg.c 740.bg 740.ag $432$ $5.909$ None 740.2.bg.c \(-6\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{12}]$