Finite Group Databasebeta
Cayley diagram

(D5⋊AGL(1,𝔽5))⋊C2 #87913

order400
isoclinismisoclinic class of (D5⋊AGL(1,𝔽5))⋊C2
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect product(D5⋊AGL(1,𝔽5))⋊C2
unambiguous semidirect product(D52⋊C2)⋊C2
unambiguous semidirect product#6057⋊C2

Splittings

Fitting, socle, SylowC52 ⋊ #41

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, cosocleC5⋊D5C23
Fitting, socle, hypocenterC52#41
LCSG ▷ C5⋊D5 ▷ C52
UCSC1

64 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 10
transitive degreeμt(G) = 10

A minimal faithful permutation representation — 3 generators on 10 points:

(1,3)(2,5,9,7,10)(4,6);(1,2)(3,7)(4,9)(5,6)(8,10);(3,6,4,8)(5,9,10,7)

Polycyclic presentation:

2^4,5^2|a^2=d,e^a=e^2,f^a=f^2,c^b=cd,e^b=f^3,f^b=e^2,e^c=f,f^c=e,e^d=e^4,f^d=f^4

Conjugacy classes & character table

16 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽5)2⋊C2, C2×(D5⋊AGL(1,𝔽5))⋊C2, ((D5⋊AGL(1,𝔽5))⋊C2)⋊C3, …
maximal normal subgroup ofAGL(1,𝔽5)2⋊C2, C2×(D5⋊AGL(1,𝔽5))⋊C2, ((D5⋊AGL(1,𝔽5))⋊C2)⋊C3, …
maximal quotient of#11717306, #11717307, #11717308, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(400, 207);