Finite Group Databasebeta
Cayley diagram

C2×#3102 #60529

order256
nilpotency class3
isoclinismisoclinic class of #447
automorphismAut(G) order 65536
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3102

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutator, Frattini, cosocleC2×C4C25
socleC23C22×D4
prime radicalC2×#449C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1101 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 26 points:

(1,2);(3,4)(5,8)(6,7)(9,10)(11,12)(13,16)(14,17)(15,19)(18,22)(20,23)(21,25)(24,26);(4,7)(8,10)(11,13,15,21)(12,16,19,25)(14,20,22,26)(17,23,18,24);(12,17)(14,22)(16,23)(18,19)(20,26)(24,25);(3,5,6,9)(4,8,7,10)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#193576, #193581, #193594, …
maximal normal subgroup of#193576, #193581, #193594, …
maximal quotient ofC2×#20736, C2×#21113, C2×#21117, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53517);