Finite Group Databasebeta
Cayley diagram

C2×#1856 #20853

order256
nilpotency class3
isoclinismisoclinic class of #453
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC2×#1856

Subgroups

subgroupG/H
center, socleC23#120
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC23×D4C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

853 conjugacy classes of subgroups; only the 247 normal subgroups are shown.

normal subgroups only

This group has 853 conjugacy classes of subgroups — too many to draw. Only its 247 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 14
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 14 points:

(1,2);(3,4,6,5)(8,11)(9,13)(12,14);(3,5,6,4)(7,8)(9,14)(10,12)(11,13);(9,13)(11,14)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147337, #147338, #148258, …
maximal normal subgroup of#147337, #147338, #148258, …
maximal quotient ofC2×#8835, C2×#8837, #191766, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13841);