Finite Group Databasebeta
Cayley diagram

C4×5−1+2 #92528

order500
nilpotency class2
isoclinismisoclinic class of H(3,𝔽5)
automorphismAut(G) = C2×#92539 (order 1000) · Inn(G) = C52 · Out(G) = C2×AGL(1,𝔽5)
homologyAbelianization (H1) = C4×C52 · Schur multiplier (H2) = C1

Aliases

direct productC4×5−1+2
unambiguous semidirect product(C4×C25)⋊C5

Subgroups

subgroupG/H
centerC4×C5C52
commutatorC5C4×C52
Frattini, socle, cosocleC2×C5C2×C52
prime radicalC2×C52C2×C5
LCSG ▷ C5 ▷ C1
UCSC1 ◁ C4×C5 ◁ G

30 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:

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

Conjugacy classes & character table

116 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#6014⋊C5, 5−1+2⋊Q8, C4×D25⋊C5, …
maximal subgroup of#6014⋊C5, C8×5−1+2, 5−1+2⋊Q8, …
maximal normal subgroup of#6014⋊C5, C8×5−1+2, 5−1+2⋊Q8, …
maximal quotient ofC8×5−1+2, C2×C4×5−1+2, Dic3×5−1+2, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(500, 14);