Deprecated: $wgMWOAuthSharedUserIDs=false is deprecated, set $wgMWOAuthSharedUserIDs=true, $wgMWOAuthSharedUserSource='local' instead [Called from MediaWiki\HookContainer\HookContainer::run in /var/www/html/w/includes/HookContainer/HookContainer.php at line 135] in /var/www/html/w/includes/Debug/MWDebug.php on line 372
On groups with a non-central cyclic normal subgroup of order 4. - MaRDI portal

On groups with a non-central cyclic normal subgroup of order 4. (Q2459024)

From MaRDI portal
scientific article
Language Label Description Also known as
English
On groups with a non-central cyclic normal subgroup of order 4.
scientific article

    Statements

    On groups with a non-central cyclic normal subgroup of order 4. (English)
    0 references
    0 references
    5 November 2007
    0 references
    It is proved that if a group \(G\) has a non-central cyclic normal subgroup of order \(4\), then there are two elements \(x,y\in G\) such that \(x^2=y^2\) and \(xy\neq yx\).
    0 references
    finite groups
    0 references
    noncentral cyclic normal subgroups
    0 references
    real conjugacy classes
    0 references
    conjugacy classes of involutions
    0 references

    Identifiers

    0 references
    0 references
    0 references
    0 references
    0 references