Finite Group Databasebeta
Cayley diagram

C2×#1368 #11998

order256
nilpotency class4
isoclinismisoclinic class of #365
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23

Aliases

direct productC2×#1368

Subgroups

subgroupG/H
center, socle, prime radicalC23#106
commutatorC8C22×C8
Frattini, cosocleC4×C8C23
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ C2×C4×C8 ◁ G
LECSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

127 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 256

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

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94030, #94057, C4×#1368, …
maximal normal subgroup of#94030, #94057, C4×#1368, …
maximal quotient ofC2×#7099, #122921, #122924, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 4986);