Finite Group Databasebeta
Cayley diagram

C2×#2357 #34120

order256
nilpotency class2
isoclinismisoclinic class of D42
automorphismAut(G) order 2097152
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#2357

Subgroups

subgroupG/H
center, socleC24C24
commutatorC22C24×C4
Frattini, cosocleC23C25
prime radicalC23×D4C22
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1579 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)(7,8,11,10)(9,13,14,12)(15,16,20,19)(17,22,18,21);(8,10)(12,13)(15,17,20,18)(16,21,19,22);(7,9)(8,12)(10,13)(11,14)(15,18,20,17)(16,21,19,22);(7,10,11,8)(9,13,14,12)(15,19,20,16)(17,21,18,22)

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97565, #105983, #106683, …
maximal normal subgroup of#97565, #105983, #106683, …
maximal quotient ofC2×#13804, C2×#13807, C2×#13812, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27108);