Finite Group Databasebeta
Cayley diagram

C2×C125 #6947

order250
nilpotency class1
isoclinismisoclinic class of C1
automorphismAut(G) = C4×C25 (order 100) · Inn(G) = C1 · Out(G) = C4×C25
holomorphG ⋊ Aut(G) = C2×#72229807
homologyAbelianization (H1) = G · Schur multiplier (H2) = C1

Aliases

cyclicC250
abelianC2×C125
multiplicative(ℤ/251)ˣ, (ℤ/502)ˣ

Subgroups

subgroupG/H
centerGC1
commutatorC1G
Frattini, cosocleC25C2×C5
socle, prime radicalC2×C5C25
LCSG ▷ C1
UCSC1 ◁ G

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 127
transitive degreeμt(G) = 250

A minimal faithful permutation representation — 1 generator on 127 points:

(1,2)(3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127)

Conjugacy classes & character table

250 conjugacy classes — view the full character table.

Relationships

center ofD4×C125, Q8×C125, Dic3×C125, …
derived subgroup ofDic250, D500, C22⋊D125, …
Frattini subgroup ofDic6875, Dic8125, Dic8750, …
Fitting subgroup ofDic125, C2×D125, #11758618, …
maximal subgroup ofDic125, C4×C125, C2×D125, …
maximal normal subgroup ofDic125, C4×C125, C2×D125, …
maximal quotient ofC4×C125, C22×C125, D3×C125, …
automorphism group ofC251, C2×C251
outer automorphism group ofC251, C2×C251

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(250, 2);