Finite Group Databasebeta
Cayley diagram

C2×#3565 #62741

order256
nilpotency class2
isoclinismisoclinic class of #3532
automorphism?
homologyAbelianization (H1) = C26 · Schur multiplier (H2) = C213

Aliases

direct productC2×#3565

Subgroups

subgroupG/H
center, socleC23C25
commutator, Frattini, cosocleC22C26
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C22 ▷ C1

3277 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 34
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 6 generators on 34 points:

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#185526, #185604, #187860, …
maximal normal subgroup of#185526, #185604, #187860, …
maximal quotient ofC2×#34392, C2×#34403, C2×#34385, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 55729);