Finite Group Databasebeta
Cayley diagram

C2×#3553 #62754

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

Aliases

direct productC2×#3553

Subgroups

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

3283 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)(5,10)(6,11)(7,15)(8,9)(12,16)(13,14)(17,18)(20,24)(21,27)(22,30)(32,34);(4,9)(6,10)(12,15)(14,17)(19,20,23,24)(21,28,27,25)(22,26,30,31)(29,34,33,32);(3,5,8,11)(4,10,9,6)(7,13,16,18)(12,17,15,14)(19,20)(21,25)(22,26)(23,24)(27,28)(29,32)(30,31)(33,34);(3,6,8,10)(4,11,9,5)(7,14,16,17)(12,18,15,13)(19,21,23,27)(20,25,24,28)(22,29,30,33)(26,32,31,34);(3,7)(4,12)(5,13)(6,14)(8,16)(9,15)(10,17)(11,18)(19,22)(20,26)(21,29)(23,30)(24,31)(25,32)(27,33)(28,34)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#187626, #187631, #187636, …
maximal normal subgroup of#187626, #187631, #187636, …
maximal quotient ofC2×#34372, C2×#34390, C2×#34417, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 55742);