RPM 包的依赖信息存储在哪里

yum deplist可以检查 RPM 包的依赖关系。我想知道有关依赖项列表的信息存储在哪里。我下载了 rpm 包并检查了它的内容rpm -qiap pkgname.rpm，但它不包含依赖项。例如：

$ yum deplist nodejs010-2.1-5.sc1.el6.x86_64
Loaded plugins: fastestmirror, security
Finding dependencies: 
Loading mirror speeds from cached hostfile
package: nodejs010.x86_64 2.1-5.sc1.el6
  dependency: nodejs010-npm
   provider: nodejs010-npm.noarch 1.4.28-5.sc1.el6
   provider: nodejs010-npm.noarch 2.14.13-7.el6
  dependency: nodejs010-nodejs
   provider: nodejs010-nodejs.x86_64 0.10.40-1.el6
  dependency: nodejs010-runtime
   provider: nodejs010-runtime.x86_64 2.1-5.sc1.el6
   provider: nodejs010-runtime.x86_64 2.1-3.sc1.el6

$ rpm -qilp nodejs010-2.1-5.sc1.el6.x86_64.rpm 
 warning: nodejs010-2.1-5.sc1.el6.x86_64.rpm: Header V4 RSA/SHA1   
 Signature, key ID f2ee9d55: NOKEY
Name        : nodejs010                    Relocations: (not relocatable)
Version     : 2.1                               Vendor: CentOS
Release     : 5.sc1.el6                     Build Date: Fri 04 Nov 2016     03:44:19 AM CDT
Install Date: (not installed)               Build Host:   c1bd.rdu2.centos.org
Group       : Unspecified                   Source RPM:    nodejs010-2.1-5.sc1.el6.src.rpm
Size        : 0                                License: MIT
Signature   : RSA/SHA1, Fri 23 Dec 2016 05:47:16 PM CST, Key ID 4eb84e71f2ee9d55
Packager    : CBS <[email protected]>
Summary     : nodejs010 Software Collection
Description :
This is the main package for nodejs010 Software Collection.
(contains no files)

看起来依赖信息没有直接存储在 RPM 文件中。那么它在哪里呢？