A display control apparatus, comprising: a display control unit for controlling a display unit for displaying an image, the display control unit being configured, in a first display mode, to display on the display unit a plurality of represented images, including a first and a second represented image, each of the first and second represented images representing a respective group of images, wherein the images are classified into groups according to one of a plurality of grouping criteria depending on related information of the images, and, in a second display mode, to display on the display unit at least one related image relating to the first represented image between the first and second represented images displayed in the first display mode depending on a user selection of the first represented image, wherein in the second display mode the display control unit is configured to dispose a related image display area between the first represented image selected by the user and the second represented image, and to display the at least one related image relating to the first represented image on the represented image display area, and the display control unit in the first display mode and the second display mode switches the display of the images from a display of the images classified into groups according to a first of the plurality of grouping criteria to a display of the images classified into groups according to a second of the plurality of grouping criteria depending on a user input, wherein the user input is a flick operation on a touch panel, a double-tap operation on the touch panel performed on an image, or a tap operation on an image, performed while a finger is in contact with a button for selecting an image. a display control unit for controlling a display unit for displaying an image, the display control unit being configured, in a first display mode, to display on the display unit a plurality of represented images, including a first and a second represented image, each of the first and second represented images representing a respective group of images, wherein the images are classified into groups according to one of a plurality of grouping criteria depending on related information of the images, and, in a second display mode, to display on the display unit at least one related image relating to the first represented image between the first and second represented images displayed in the first display mode depending on a user selection of the first represented image, wherein in the second display mode the display control unit is configured to dispose a related image display area between the first represented image selected by the user and the second represented image, and to display the at least one related image relating to the first represented image on the represented image display area, and the display control unit in the first display mode and the second display mode switches the display of the images from a display of the images classified into groups according to a first of the plurality of grouping criteria to a display of the images classified into groups according to a second of the plurality of grouping criteria depending on a user input, wherein the user input is a flick operation on a touch panel, a double-tap operation on the touch panel performed on an image, or a tap operation on an image, performed while a finger is in contact with a button for selecting an image.