Finite Group Databasebeta
Cayley diagram

C2×#2592 #34901

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 2097152
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#2592

Subgroups

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

1459 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)(7,8,10,12)(9,13,14,11)(16,18)(17,21);(7,8)(9,11)(10,12)(13,14)(15,16,19,18)(17,22,21,20);(3,4)(5,6)(7,8)(9,11)(10,12)(13,14)(15,17,19,21)(16,20,18,22);(7,9,10,14)(8,11,12,13)(15,18,19,16)(17,22,21,20)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97443, #111606, #112895, …
maximal normal subgroup of#97443, #111606, #112895, …
maximal quotient ofC2×#13925, C2×#13955, C2×#14021, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27889);