Finite Group Databasebeta
Cayley diagram

C2×#2840 #36671

order256
nilpotency class2
isoclinismisoclinic class of #2812
automorphismAut(G) order 37748736
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27×C42

Aliases

direct productC2×#2840

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC26C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1775 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 64

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

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#73210, C2×#73211, C2×#73293, …
maximal subgroup of#122038, #131455, C2×#10390, …
maximal normal subgroup of#122038, #131455, C2×#10390, …
maximal quotient ofC2×#14635, C4×#2840, C2×#14673, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 29659);