Finite Group Databasebeta
Cayley diagram

C2×#2838 #36660

order256
nilpotency class2
isoclinismisoclinic class of #2812
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2838

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC25C23
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

957 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 26 points:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2838, #549640, #549643, …
maximal normal subgroup ofC4×#2838, #549640, #549643, …
maximal quotient ofC2×#14629, C2×#14630, C2×#14633, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 29648);