Finite Group Databasebeta
Cayley diagram

C2×#1324 #11445

order256
nilpotency class4
isoclinismisoclinic class of #353
automorphismAut(G) order 16384
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C24

Aliases

direct productC2×#1324

Subgroups

subgroupG/H
center, socleC23#99
commutatorC2×C4C22×C8
Frattini, cosocleC2×C4⋊C4C23
prime radicalC24C22⋊C4
LCSG ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C24 ◁ C22×C4⋊C4 ◁ G
LECSG ▷ C2×C4⋊C4 ▷ C23 ▷ C2 ▷ C1

255 conjugacy classes of subgroups; only the 79 normal subgroups are shown.

normal subgroups only

This group has 255 conjugacy classes of subgroups — too many to draw. Only its 79 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) = 26
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 26 points:

(1,2);(3,4,5,7,6,8,9,10)(11,12)(13,19,21,25)(14,22,23,17)(15,18)(16,20)(24,26);(11,13)(12,16,18,24)(14,20)(15,21)(17,19,22,25)(23,26)

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94103, #94107, #94323, …
maximal normal subgroup of#94103, #94107, #94323, …
maximal quotient ofC2×#7062, #122300, #122306, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 4433);