Finite Group Databasebeta
Cayley diagram

C2×#2601 #34859

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#2601

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC23×D4C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1449 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 128

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

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#196064, #204248, #213581, …
maximal normal subgroup of#196064, #204248, #213581, …
maximal quotient ofC2×#13938, C2×#13964, C2×#14071, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27847);