Finite Group Databasebeta
Cayley diagram

C2×#2496 #34760

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#2496

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC25C23
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1287 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);(4,5)(7,8,10,12)(9,13,14,11)(17,21)(19,22);(3,4,6,5)(7,8)(9,11)(10,12)(13,14)(15,16,18,20)(17,22,21,19);(7,8)(9,11)(10,12)(13,14)(15,17)(16,19)(18,21)(20,22);(3,5,6,4)(7,9,10,14)(8,11,12,13)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97397, #97604, #98550, …
maximal normal subgroup of#97397, #97604, #98550, …
maximal quotient ofC2×#13876, C2×#13921, C2×#13974, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27748);