Finite Group Databasebeta

C2×D5221 #35229529

order20884
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD10442
direct productC2×D5221
unambiguous semidirect product(C2×C23)⋊D227
unambiguous semidirect product(C2×C227)⋊D23

Splittings

Fitting, socleC2×C23×C227 ⋊ C2
derived, HallC23×C227 ⋊ C22
SylowC227 ⋊ C2×D23
SylowC23 ⋊ C2×D227

Subgroups

subgroupG/H
center, hypercenterC2D5221
commutator, cosocle, hypocenterC23×C227C22
FrattiniC1G
Fitting, socleC2×C23×C227C2
LCSG ▷ C23×C227
UCSC1 ◁ C2

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 252
transitive degreeμt(G) = 10442

A minimal faithful permutation representation — 2 generators on 252 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)(26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252);(4,25)(5,24)(6,23)(7,22)(8,21)(9,20)(10,19)(11,18)(12,17)(13,16)(14,15)(27,252)(28,251)(29,250)(30,249)(31,248)(32,247)(33,246)(34,245)(35,244)(36,243)(37,242)(38,241)(39,240)(40,239)(41,238)(42,237)(43,236)(44,235)(45,234)(46,233)(47,232)(48,231)(49,230)(50,229)(51,228)(52,227)(53,226)(54,225)(55,224)(56,223)(57,222)(58,221)(59,220)(60,219)(61,218)(62,217)(63,216)(64,215)(65,214)(66,213)(67,212)(68,211)(69,210)(70,209)(71,208)(72,207)(73,206)(74,205)(75,204)(76,203)(77,202)(78,201)(79,200)(80,199)(81,198)(82,197)(83,196)(84,195)(85,194)(86,193)(87,192)(88,191)(89,190)(90,189)(91,188)(92,187)(93,186)(94,185)(95,184)(96,183)(97,182)(98,181)(99,180)(100,179)(101,178)(102,177)(103,176)(104,175)(105,174)(106,173)(107,172)(108,171)(109,170)(110,169)(111,168)(112,167)(113,166)(114,165)(115,164)(116,163)(117,162)(118,161)(119,160)(120,159)(121,158)(122,157)(123,156)(124,155)(125,154)(126,153)(127,152)(128,151)(129,150)(130,149)(131,148)(132,147)(133,146)(134,145)(135,144)(136,143)(137,142)(138,141)(139,140)

Conjugacy classes & character table

5224 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD20884, C2×D15663
maximal normal subgroup ofD20884
maximal quotient ofDic10442, D20884, C2×D15663

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20884, 9);