Finite Group Databasebeta
Cayley diagram

C2×#2628 #34607

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

Aliases

direct productC2×#2628

Subgroups

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

1371 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);(7,8)(9,12)(10,11)(13,14)(15,16,19,22)(17,20,21,18);(4,6)(8,11)(12,13)(15,17)(16,20)(18,22)(19,21);(3,4)(5,6)(7,8)(9,13)(10,11)(12,14)(15,18,19,20)(16,21,22,17);(7,9,10,14)(8,12,11,13)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97043, #111631, #111632, …
maximal normal subgroup of#97043, #111631, #111632, …
maximal quotient ofC2×#14264, C2×#14266, C2×#14277, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27595);