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| Mirrors > Home > MPE Home > Th. List > dchr1 | Structured version Visualization version GIF version | ||
| Description: Value of the principal Dirichlet character. (Contributed by Mario Carneiro, 28-Apr-2016.) |
| Ref | Expression |
|---|---|
| dchr1.g | ⊢ 𝐺 = (DChr‘𝑁) |
| dchr1.z | ⊢ 𝑍 = (ℤ/nℤ‘𝑁) |
| dchr1.o | ⊢ 1 = (0g‘𝐺) |
| dchr1.u | ⊢ 𝑈 = (Unit‘𝑍) |
| dchr1.n | ⊢ (𝜑 → 𝑁 ∈ ℕ) |
| dchr1.a | ⊢ (𝜑 → 𝐴 ∈ 𝑈) |
| Ref | Expression |
|---|---|
| dchr1 | ⊢ (𝜑 → ( 1 ‘𝐴) = 1) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dchr1.g | . . . 4 ⊢ 𝐺 = (DChr‘𝑁) | |
| 2 | dchr1.z | . . . 4 ⊢ 𝑍 = (ℤ/nℤ‘𝑁) | |
| 3 | eqid 2752 | . . . 4 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 4 | eqid 2752 | . . . 4 ⊢ (Base‘𝑍) = (Base‘𝑍) | |
| 5 | dchr1.u | . . . 4 ⊢ 𝑈 = (Unit‘𝑍) | |
| 6 | eqid 2752 | . . . 4 ⊢ (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) | |
| 7 | dchr1.n | . . . 4 ⊢ (𝜑 → 𝑁 ∈ ℕ) | |
| 8 | 1, 2, 3, 4, 5, 6, 7 | dchr1cl 27281 | . . 3 ⊢ (𝜑 → (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) ∈ (Base‘𝐺)) |
| 9 | eleq1w 2835 | . . . . . 6 ⊢ (𝑘 = 𝑥 → (𝑘 ∈ 𝑈 ↔ 𝑥 ∈ 𝑈)) | |
| 10 | 9 | ifbid 4494 | . . . . 5 ⊢ (𝑘 = 𝑥 → if(𝑘 ∈ 𝑈, 1, 0) = if(𝑥 ∈ 𝑈, 1, 0)) |
| 11 | 10 | cbvmptv 5194 | . . . 4 ⊢ (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) = (𝑥 ∈ (Base‘𝑍) ↦ if(𝑥 ∈ 𝑈, 1, 0)) |
| 12 | eqid 2752 | . . . 4 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
| 13 | 1, 2, 3, 4, 5, 11, 12, 8 | dchrmullid 27282 | . . 3 ⊢ (𝜑 → ((𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))(+g‘𝐺)(𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) |
| 14 | 1 | dchrabl 27284 | . . . 4 ⊢ (𝑁 ∈ ℕ → 𝐺 ∈ Abel) |
| 15 | ablgrp 19797 | . . . 4 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ Grp) | |
| 16 | dchr1.o | . . . . 5 ⊢ 1 = (0g‘𝐺) | |
| 17 | 3, 12, 16 | isgrpid2 18990 | . . . 4 ⊢ (𝐺 ∈ Grp → (((𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) ∈ (Base‘𝐺) ∧ ((𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))(+g‘𝐺)(𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) ↔ 1 = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)))) |
| 18 | 7, 14, 15, 17 | 4syl 19 | . . 3 ⊢ (𝜑 → (((𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) ∈ (Base‘𝐺) ∧ ((𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))(+g‘𝐺)(𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) ↔ 1 = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)))) |
| 19 | 8, 13, 18 | mpbi2and 720 | . 2 ⊢ (𝜑 → 1 = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) |
| 20 | simpr 487 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 = 𝐴) → 𝑘 = 𝐴) | |
| 21 | dchr1.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑈) | |
| 22 | 21 | adantr 483 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 = 𝐴) → 𝐴 ∈ 𝑈) |
| 23 | 20, 22 | eqeltrd 2852 | . . 3 ⊢ ((𝜑 ∧ 𝑘 = 𝐴) → 𝑘 ∈ 𝑈) |
| 24 | 23 | iftrued 4478 | . 2 ⊢ ((𝜑 ∧ 𝑘 = 𝐴) → if(𝑘 ∈ 𝑈, 1, 0) = 1) |
| 25 | 4, 5 | unitss 20393 | . . 3 ⊢ 𝑈 ⊆ (Base‘𝑍) |
| 26 | 25, 21 | sselid 3925 | . 2 ⊢ (𝜑 → 𝐴 ∈ (Base‘𝑍)) |
| 27 | 1cnd 11161 | . 2 ⊢ (𝜑 → 1 ∈ ℂ) | |
| 28 | 19, 24, 26, 27 | fvmptd 6968 | 1 ⊢ (𝜑 → ( 1 ‘𝐴) = 1) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 = wceq 1550 ∈ wcel 2132 ifcif 4470 ↦ cmpt 5171 ‘cfv 6506 (class class class)co 7381 ℂcc 11057 0cc0 11059 1c1 11060 ℕcn 12196 Basecbs 17217 +gcplusg 17258 0gc0g 17440 Grpcgrp 18947 Abelcabl 19793 Unitcui 20372 ℤ/nℤczn 21523 DChrcdchr 27262 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-10 2165 ax-11 2181 ax-12 2202 ax-ext 2724 ax-rep 5217 ax-sep 5236 ax-nul 5246 ax-pow 5312 ax-pr 5380 ax-un 7703 ax-cnex 11115 ax-resscn 11116 ax-1cn 11117 ax-icn 11118 ax-addcl 11119 ax-addrcl 11120 ax-mulcl 11121 ax-mulrcl 11122 ax-mulcom 11123 ax-addass 11124 ax-mulass 11125 ax-distr 11126 ax-i2m1 11127 ax-1ne0 11128 ax-1rid 11129 ax-rnegex 11130 ax-rrecex 11131 ax-cnre 11132 ax-pre-lttri 11133 ax-pre-lttrn 11134 ax-pre-ltadd 11135 ax-pre-mulgt0 11136 ax-addf 11138 ax-mulf 11139 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1553 df-fal 1563 df-ex 1790 df-nf 1794 df-sb 2081 df-mo 2556 df-eu 2586 df-clab 2731 df-cleq 2744 df-clel 2827 df-nfc 2901 df-ne 2948 df-nel 3052 df-ral 3067 df-rex 3077 df-rmo 3357 df-reu 3358 df-rab 3405 df-v 3446 df-sbc 3736 df-csb 3844 df-dif 3898 df-un 3900 df-in 3902 df-ss 3912 df-pss 3915 df-nul 4277 df-if 4471 df-pw 4547 df-sn 4573 df-pr 4575 df-tp 4577 df-op 4579 df-uni 4856 df-int 4896 df-iun 4941 df-br 5091 df-opab 5153 df-mpt 5172 df-tr 5198 df-id 5531 df-eprel 5536 df-po 5544 df-so 5545 df-fr 5589 df-we 5591 df-xp 5642 df-rel 5643 df-cnv 5644 df-co 5645 df-dm 5646 df-rn 5647 df-res 5648 df-ima 5649 df-pred 6273 df-ord 6334 df-on 6335 df-lim 6336 df-suc 6337 df-iota 6462 df-fun 6508 df-fn 6509 df-f 6510 df-f1 6511 df-fo 6512 df-f1o 6513 df-fv 6514 df-riota 7338 df-ov 7384 df-oprab 7385 df-mpo 7386 df-of 7645 df-om 7832 df-1st 7955 df-2nd 7956 df-tpos 8190 df-frecs 8246 df-wrecs 8277 df-recs 8326 df-rdg 8365 df-1o 8421 df-er 8662 df-ec 8664 df-qs 8668 df-map 8794 df-en 8913 df-dom 8914 df-sdom 8915 df-fin 8916 df-sup 9374 df-inf 9375 df-pnf 11204 df-mnf 11205 df-xr 11206 df-ltxr 11207 df-le 11208 df-sub 11402 df-neg 11403 df-div 11831 df-nn 12197 df-2 12266 df-3 12267 df-4 12268 df-5 12269 df-6 12270 df-7 12271 df-8 12272 df-9 12273 df-n0 12468 df-z 12555 df-dec 12675 df-uz 12826 df-fz 13499 df-struct 17155 df-sets 17172 df-slot 17190 df-ndx 17202 df-base 17218 df-ress 17239 df-plusg 17271 df-mulr 17272 df-starv 17273 df-sca 17274 df-vsca 17275 df-ip 17276 df-tset 17277 df-ple 17278 df-ds 17280 df-unif 17281 df-0g 17442 df-imas 17510 df-qus 17511 df-mgm 18646 df-sgrp 18725 df-mnd 18741 df-mhm 18789 df-grp 18950 df-minusg 18951 df-sbg 18952 df-subg 19137 df-nsg 19138 df-eqg 19139 df-cmn 19794 df-abl 19795 df-mgp 20159 df-rng 20171 df-ur 20200 df-ring 20253 df-cring 20254 df-oppr 20354 df-dvdsr 20374 df-unit 20375 df-invr 20405 df-subrng 20564 df-subrg 20588 df-lmod 20898 df-lss 20968 df-lsp 21008 df-sra 21209 df-rgmod 21210 df-lidl 21247 df-rsp 21248 df-2idl 21289 df-cnfld 21394 df-zring 21468 df-zn 21527 df-dchr 27263 |
| This theorem is referenced by: dchrinv 27291 dchr1re 27293 dchrsum2 27298 rpvmasumlem 27517 rpvmasum2 27542 |
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