Finite Group Databasebeta
Cayley diagram

C2×#2223 #33616

order256
nilpotency class4
isoclinismisoclinic class of #2221
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC2×#2223

Subgroups

subgroupG/H
center, socleC22#466
commutator, Frattini, cosocleC2×C8C24
prime radicalC2×#472C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#131 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

329 conjugacy classes of subgroups; only the 119 normal subgroups are shown.

normal subgroups only

This group has 329 conjugacy classes of subgroups — too many to draw. Only its 119 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) = 34
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 34 points:

(1,2);(4,10)(5,16)(6,19)(7,8)(11,20)(12,27)(13,24)(14,23)(15,25)(17,32)(18,21)(22,28)(29,34)(30,33);(3,4,11,23,8,14,6,10,9,15,19,24,7,13,20,25)(5,12,26,34,16,28,17,22,18,29,31,27,21,30,32,33);(3,5)(4,12)(6,17)(7,21)(8,16)(9,18)(10,22)(11,26)(13,30)(14,28)(15,29)(19,31)(20,32)(23,34)(24,27)(25,33)

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2223, #495890, #498371, …
maximal normal subgroup ofC4×#2223, #495890, #498371, …
maximal quotient ofC2×#12432, C2×#12435, #490476, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26604);