Finite Group Databasebeta
Cayley diagram

C2×#2626 #34555

order256
nilpotency class2
isoclinismisoclinic class of #2613
automorphismAut(G) order 2097152
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#2626

Subgroups

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

2071 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 22 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#111627, #111665, #115637, …
maximal normal subgroup of#111627, #111665, #115637, …
maximal quotient ofC2×#14262, C2×#14265, C2×#14275, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27543);