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| Mirrors > Home > MPE Home > Th. List > dchrplusg | Structured version Visualization version GIF version | ||
| Description: Group operation on the group of Dirichlet characters. (Contributed by Mario Carneiro, 18-Apr-2016.) |
| Ref | Expression |
|---|---|
| dchrmhm.g | ⊢ 𝐺 = (DChr‘𝑁) |
| dchrmhm.z | ⊢ 𝑍 = (ℤ/nℤ‘𝑁) |
| dchrmhm.b | ⊢ 𝐷 = (Base‘𝐺) |
| dchrmul.t | ⊢ · = (+g‘𝐺) |
| dchrplusg.n | ⊢ (𝜑 → 𝑁 ∈ ℕ) |
| Ref | Expression |
|---|---|
| dchrplusg | ⊢ (𝜑 → · = ( ∘f · ↾ (𝐷 × 𝐷))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dchrmhm.g | . . . 4 ⊢ 𝐺 = (DChr‘𝑁) | |
| 2 | dchrmhm.z | . . . 4 ⊢ 𝑍 = (ℤ/nℤ‘𝑁) | |
| 3 | eqid 2769 | . . . 4 ⊢ (Base‘𝑍) = (Base‘𝑍) | |
| 4 | eqid 2769 | . . . 4 ⊢ (Unit‘𝑍) = (Unit‘𝑍) | |
| 5 | dchrplusg.n | . . . 4 ⊢ (𝜑 → 𝑁 ∈ ℕ) | |
| 6 | dchrmhm.b | . . . . 5 ⊢ 𝐷 = (Base‘𝐺) | |
| 7 | 1, 2, 3, 4, 5, 6 | dchrbas 27365 | . . . 4 ⊢ (𝜑 → 𝐷 = {𝑥 ∈ ((mulGrp‘𝑍) MndHom (mulGrp‘ℂfld)) ∣ (((Base‘𝑍) ∖ (Unit‘𝑍)) × {0}) ⊆ 𝑥}) |
| 8 | 1, 2, 3, 4, 5, 7 | dchrval 27364 | . . 3 ⊢ (𝜑 → 𝐺 = {〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉}) |
| 9 | 8 | fveq2d 6886 | . 2 ⊢ (𝜑 → (+g‘𝐺) = (+g‘{〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉})) |
| 10 | dchrmul.t | . 2 ⊢ · = (+g‘𝐺) | |
| 11 | 6 | fvexi 6896 | . . . 4 ⊢ 𝐷 ∈ V |
| 12 | 11, 11 | xpex 7752 | . . 3 ⊢ (𝐷 × 𝐷) ∈ V |
| 13 | ofexg 7680 | . . 3 ⊢ ((𝐷 × 𝐷) ∈ V → ( ∘f · ↾ (𝐷 × 𝐷)) ∈ V) | |
| 14 | eqid 2769 | . . . 4 ⊢ {〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉} = {〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉} | |
| 15 | 14 | grpplusg 17343 | . . 3 ⊢ (( ∘f · ↾ (𝐷 × 𝐷)) ∈ V → ( ∘f · ↾ (𝐷 × 𝐷)) = (+g‘{〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉})) |
| 16 | 12, 13, 15 | mp2b 10 | . 2 ⊢ ( ∘f · ↾ (𝐷 × 𝐷)) = (+g‘{〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉}) |
| 17 | 9, 10, 16 | 3eqtr4g 2829 | 1 ⊢ (𝜑 → · = ( ∘f · ↾ (𝐷 × 𝐷))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1567 ∈ wcel 2149 Vcvv 3461 {cpr 4594 〈cop 4598 × cxp 5660 ↾ cres 5664 ‘cfv 6537 ∘f cof 7673 · cmul 11105 ℕcn 12233 ndxcnx 17253 Basecbs 17269 +gcplusg 17310 Unitcui 20437 ℤ/nℤczn 21621 DChrcdchr 27362 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11156 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-mulcom 11164 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 ax-pre-mulgt0 11177 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-reu 3376 df-rab 3423 df-v 3463 df-sbc 3752 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4491 df-pw 4567 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-of 7675 df-om 7863 df-1st 7986 df-2nd 7987 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-1o 8453 df-er 8694 df-en 8944 df-dom 8945 df-sdom 8946 df-fin 8947 df-pnf 11245 df-mnf 11246 df-xr 11247 df-ltxr 11248 df-le 11249 df-sub 11443 df-neg 11444 df-nn 12234 df-2 12303 df-n0 12505 df-z 12592 df-uz 12863 df-fz 13536 df-struct 17207 df-slot 17242 df-ndx 17254 df-base 17270 df-plusg 17323 df-dchr 27363 |
| This theorem is referenced by: dchrmul 27378 |
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