Finite Group Databasebeta
Cayley diagram

C22×5−1+2 #92550

order500
nilpotency class2
isoclinismisoclinic class of H(3,𝔽5)
automorphism?
homologyAbelianization (H1) = C22×C52 · Schur multiplier (H2) = C2

Aliases

direct productC22×5−1+2
unambiguous semidirect product(C22×C25)⋊C5

Subgroups

subgroupG/H
center, socleC22×C5C52
commutator, Frattini, cosocleC5C22×C52
prime radicalC22×C52C5
LCSG ▷ C5 ▷ C1
UCSC1 ◁ C22×C5 ◁ G

50 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 29
transitive degreeμt(G) = 100

A minimal faithful permutation representation — 2 generators on 29 points:

(1,2)(5,6,8,12,19,7,10,14,21,26,11,17,23,20,27,18,16,13,22,28,25,9,15,24,29);(3,4)(6,9,16,17,10)(8,13,14,15,23)(12,20,24,21,22)(19,26,27,28,29)

Conjugacy classes & character table

116 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×Dic25⋊C5, C22⋊(D25⋊C5), C22×D25⋊C5, …
maximal subgroup ofC2×Dic25⋊C5, C22⋊(D25⋊C5), C2×C4×5−1+2, …
maximal normal subgroup ofC2×Dic25⋊C5, C22⋊(D25⋊C5), C2×C4×5−1+2, …
maximal quotient ofC2×C4×5−1+2, D4×5−1+2, Q8×5−1+2, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(500, 36);